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廣東電磁爐改電磁加熱器哪里有賣

作者:中輝電器(qi)     來源:www.shenzhentuliao.cn    發(fa)布時間:2019/4/30 13:45:00

哪些因素會(hui)導致(zhi)電磁加熱器發生故障?

:電(dian)(dian)磁加熱器(qi)電(dian)(dian)路設(she)計不(bu)科學。目前,在大(da)(da)(da)功(gong)率(lv)電(dian)(dian)磁加熱電(dian)(dian)路系(xi)統中(zhong)(zhong),大(da)(da)(da)部分廠家(jia)采(cai)(cai)用(yong)過去的(de)(de)傳統模(mo)擬(ni)3525或494電(dian)(dian)路,產生(sheng)(sheng)兩路或四路PWM,采(cai)(cai)用(yong)調頻方法驅動IGBT,改(gai)變諧振回電(dian)(dian)流大(da)(da)(da)小(xiao)來(lai)達(da)到調節功(gong)率(lv)大(da)(da)(da)小(xiao)的(de)(de)目的(de)(de),再(zai)采(cai)(cai)用(yong)4046進行鎖(suo)相(xiang)(xiang)控(kong)制,在工(gong)業上加熱應用(yong)已經很普遍,技術也比較成熟。但(dan)是,它的(de)(de)硬(ying)件(jian)電(dian)(dian)路復雜,所以大(da)(da)(da)多(duo)體積龐大(da)(da)(da),也不(bu)便于生(sheng)(sheng)產和(he)調試(shi),特(te)別是容易由于所選用(yong)的(de)(de)器(qi)件(jian)特(te)性(xing)差(cha)異,致(zhi)使(shi)電(dian)(dian)源(yuan)致(zhi)性(xing)差(cha),工(gong)作中(zhong)(zhong)生(sheng)(sheng)產的(de)(de)高強的(de)(de)電(dian)(dian)磁干擾時,鎖(suo)相(xiang)(xiang)或保護部分容易失靈,容易造成故(gu)障。

二:電(dian)(dian)(dian)(dian)力(li)(li)器件布(bu)局(ju)不(bu)合(he)理(li)。在大(da)(da)(da)(da)(da)功(gong)(gong)率(lv)(lv)工業電(dian)(dian)(dian)(dian)磁(ci)加熱主結構電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong),常為(wei)(wei)半(ban)橋(qiao)(qiao)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)和全(quan)(quan)(quan)橋(qiao)(qiao)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu),通常2-25KW功(gong)(gong)率(lv)(lv)別采用半(ban)橋(qiao)(qiao)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu),全(quan)(quan)(quan)橋(qiao)(qiao)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)可以(yi)實現20KW以(yi)上功(gong)(gong)率(lv)(lv)。般(ban)地,功(gong)(gong)率(lv)(lv)大(da)(da)(da)(da)(da)于25KW后,線(xian)圈的(de)高頻電(dian)(dian)(dian)(dian)流比較大(da)(da)(da)(da)(da),發(fa)熱比較多,當(dang)(dang)主電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)電(dian)(dian)(dian)(dian)力(li)(li)功(gong)(gong)率(lv)(lv)器件布(bu)局(ju)不(bu)合(he)理(li)時(shi),可能(neng)會產生高強(qiang)干(gan)擾,有可能(neng)使慮波(bo)電(dian)(dian)(dian)(dian)容(rong)、揩振(zhen)電(dian)(dian)(dian)(dian)容(rong)或IGBT模(mo)塊(kuai)擊(ji)穿。為(wei)(wei)了用戶的(de)安裝安全(quan)(quan)(quan)考慮,般(ban)把(ba)半(ban)橋(qiao)(qiao)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)大(da)(da)(da)(da)(da)功(gong)(gong)率(lv)(lv)定為(wei)(wei)15KW,降低IGBT模(mo)塊(kuai)電(dian)(dian)(dian)(dian)流應力(li)(li),當(dang)(dang)功(gong)(gong)率(lv)(lv)大(da)(da)(da)(da)(da)于20KW時(shi),建(jian)議用戶選擇全(quan)(quan)(quan)橋(qiao)(qiao)主電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)結構。當(dang)(dang)然,在特定的(de)應用場合(he),需要加熱面積比小(xiao),功(gong)(gong)率(lv)(lv)密度比較大(da)(da)(da)(da)(da)時(shi),我們合(he)理(li)科(ke)學地可以(yi)幫助用戶把(ba)半(ban)橋(qiao)(qiao)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)安全(quan)(quan)(quan)做(zuo)到30KW。

廣東電磁爐改電磁加熱器哪里有賣

電(dian)(dian)(dian)磁加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)高(gao)(gao)能加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)到(dao)(dao)(dao)多少度(du)(du)(du)?這(zhe)個問題很多朋友都問過我,那(nei)么用電(dian)(dian)(dian)磁感(gan)應加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)能達(da)(da)到(dao)(dao)(dao)多少度(du)(du)(du)呢(ni)?”這(zhe)取決于(yu)(yu)受熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)物體(ti)的(de)(de)(de)材料。對于(yu)(yu)鐵(tie)的(de)(de)(de)加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)體(ti),電(dian)(dian)(dian)磁加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)可(ke)以(yi)(yi)加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)到(dao)(dao)(dao)500到(dao)(dao)(dao)600度(du)(du)(du)以(yi)(yi)上(shang)。如(ru)果(guo)功(gong)(gong)率(lv)(lv)(lv)(lv)不明顯,功(gong)(gong)率(lv)(lv)(lv)(lv)小可(ke)以(yi)(yi)加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)到(dao)(dao)(dao)500度(du)(du)(du)以(yi)(yi)上(shang),但(dan)功(gong)(gong)率(lv)(lv)(lv)(lv)大(da)時加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)速(su)(su)度(du)(du)(du)快(kuai),小功(gong)(gong)率(lv)(lv)(lv)(lv)時加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)速(su)(su)度(du)(du)(du)慢。如(ru)果(guo)它(ta)(ta)是(shi)(shi)(shi)(shi)臺(tai)(tai)大(da)機(ji)器(qi)(qi),它(ta)(ta)配備了大(da)功(gong)(gong)率(lv)(lv)(lv)(lv)的(de)(de)(de)電(dian)(dian)(dian)磁加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi),如(ru)果(guo)它(ta)(ta)是(shi)(shi)(shi)(shi)臺(tai)(tai)小型的(de)(de)(de)機(ji)器(qi)(qi),它(ta)(ta)就配備了低(di)功(gong)(gong)率(lv)(lv)(lv)(lv)的(de)(de)(de)電(dian)(dian)(dian)磁加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)。因(yin)(yin)為加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)的(de)(de)(de)速(su)(su)度(du)(du)(du)直接影響到(dao)(dao)(dao)生產的(de)(de)(de)過程和速(su)(su)度(du)(du)(du),所以(yi)(yi)般情況(kuang)下好有(you)(you)更高(gao)(gao)的(de)(de)(de)功(gong)(gong)率(lv)(lv)(lv)(lv),這(zhe)樣(yang)加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)的(de)(de)(de)速(su)(su)度(du)(du)(du)就會更快(kuai)。為什么鐵(tie)不能加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)到(dao)(dao)(dao)600度(du)(du)(du)呢(ni)?這(zhe)是(shi)(shi)(shi)(shi)因(yin)(yin)為鐵(tie)達(da)(da)到(dao)(dao)(dao)600度(du)(du)(du)時達(da)(da)到(dao)(dao)(dao)居里點(dian),這(zhe)是(shi)(shi)(shi)(shi)退磁,當(dang)鐵(tie)丟失時,如(ru)果(guo)主機(ji)沒有(you)(you)保護電(dian)(dian)(dian)路,那(nei)是(shi)(shi)(shi)(shi)危險的(de)(de)(de)。如(ru)果(guo)加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)的(de)(de)(de)物體(ti)是(shi)(shi)(shi)(shi)石(shi)墨鋼罐,高(gao)(gao)溫度(du)(du)(du)可(ke)以(yi)(yi)加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)到(dao)(dao)(dao)1000度(du)(du)(du)以(yi)(yi)上(shang)。在同功(gong)(gong)率(lv)(lv)(lv)(lv)下,哪種電(dian)(dian)(dian)磁式加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)和傳(chuan)統的(de)(de)(de)電(dian)(dian)(dian)阻式加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)更快(kuai)?這(zhe)對電(dian)(dian)(dian)磁加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)來說更快(kuai),因(yin)(yin)為傳(chuan)統的(de)(de)(de)電(dian)(dian)(dian)阻式加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)通常只有(you)(you)大(da)約60%的(de)(de)(de)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)效率(lv)(lv)(lv)(lv),而電(dian)(dian)(dian)磁加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)的(de)(de)(de)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)效率(lv)(lv)(lv)(lv)利用率(lv)(lv)(lv)(lv)超過90%。加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)速(su)(su)度(du)(du)(du)自然是(shi)(shi)(shi)(shi)電(dian)(dian)(dian)磁加(jia)(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)的(de)(de)(de)速(su)(su)度(du)(du)(du)更快(kuai)。

廣東電磁爐改電磁加熱器哪里有賣

使用(yong)造粒(li)機(ji)電磁加熱器時要知道的常識:

1、我(wo)們要把造粒機電磁加熱(re)器安(an)置在(zai)個牢固的平臺(tai)上或掛在(zai)設備上,其附(fu)近不(bu)宜溫(wen)度過高,以防止散熱(re)不(bu)好導致(zhi)過熱(re)保護。

2、不(bu)要(yao)將(jiang)控制器安裝在潮濕的環境中,防止水蒸汽進入電箱后,易在緣介質表面凝(ning)結,降低其緣性(xing)能,造成漏電事故。

3、外部電(dian)源在(zai)(zai)接入電(dian)磁(ci)加熱器前,應安裝獨立(li)的(de)電(dian)源空氣開關保護裝置(zhi)。并將(jiang)金屬外殼要(yao)可靠接地。在(zai)(zai)使用(yong)過程(cheng)中(zhong),不要(yao)輕易拆除其接地導(dao)線,因為接地措施是防(fang)止觸電(dian)的(de)后道保護措施。

4、要定期清理散熱器,保(bao)證產品通風(feng)良好。要經常檢查產品的進風(feng)口及散熱風(feng)扇(shan),防止(zhi)進風(feng)口處堵(du)塞或散熱風(feng)扇(shan)卡死(si),避免因過熱停機保(bao)護。

廣東電磁爐改電磁加熱器哪里有賣

使用電磁加熱器時這幾點(dian)不可忽視:

1、電磁加熱(re)器主機的安頓環境不能在-20℃以下,高也(ye)不能超過50℃,且要枯燥、通風。

2、接(jie)(jie)入(ru)電(dian)源前:清楚電(dian)器(qi)作業需要的(de)(de)總(zong)電(dian)量和(he)供(gong)電(dian)變壓(ya)器(qi)的(de)(de)總(zong)容量,不(bu)能超(chao)過供(gong)電(dian)的(de)(de)總(zong)容量,也(ye)盡可能不(bu)要去糟蹋。別的(de)(de)要辨明單(dan)相220v、三(san)相380v電(dian)壓(ya),不(bu)能接(jie)(jie)錯(cuo)。終要留意的(de)(de)就(jiu)是,當(dang)電(dian)網的(de)(de)電(dian)壓(ya)在規(gui)則電(dian)壓(ya)規(gui)模的(de)(de)上下10%起浮時,制止運用大功率電(dian)磁加熱設(she)備。

3、變頻電(dian)(dian)(dian)磁(ci)加(jia)熱器是(shi)怕水的,因而、總(zong)歸,電(dian)(dian)(dian)磁(ci)加(jia)熱器不(bu)能有水進(jin)入,任何狀(zhuang)況(kuang)下都要防止這狀(zhuang)況(kuang),水蒸汽、濕氣過重也不(bu)可,電(dian)(dian)(dian)磁(ci)加(jia)熱線也相同怕水,切忌用濕潤(run)的手去觸摸或是(shi)在電(dian)(dian)(dian)磁(ci)加(jia)熱線上搭曬濕潤(run)的衣(yi)物等等。

4、電(dian)磁加熱器(qi)生產廠家(jia)印(yin)刷電(dian)路板(ban)周圍不(bu)(bu)能有塑料(liao)、乙(yi)烯基和聚苯乙(yi)烯泡(pao)沫塑料(liao)(抗靜電(dian)類(lei)型在外),靜電(dian)很可能會損壞這(zhe)些電(dian)路。不(bu)(bu)要觸(chu)摸操控接口板(ban)或操控板(ban)的IC電(dian)路。

5、電(dian)(dian)(dian)磁加(jia)熱(re)(re)線(xian)(xian)外表是石(shi)棉(mian)原料,怕磨,因(yin)而電(dian)(dian)(dian)磁加(jia)熱(re)(re)線(xian)(xian)應防(fang)(fang)止(zhi)轟動兇(xiong)猛的(de)(de)設備,防(fang)(fang)止(zhi)磨損的(de)(de)電(dian)(dian)(dian)磁加(jia)熱(re)(re)線(xian)(xian)呈現(xian)漏(lou)電(dian)(dian)(dian)現(xian)象(xiang),觸摸接地的(de)(de)金(jin)屬物體,用(yong)手觸摸這些操控器(qi)之前(qian)消除身體上的(de)(de)靜電(dian)(dian)(dian)(封閉操控器(qi)的(de)(de)電(dian)(dian)(dian)源。并且在觸摸操控器(qi)時堅(jian)持接地)。

6、任何(he)替換設備、檢修設備環節定要(yao)斷(duan)電今(jin)后才干進(jin)行(xing),不要(yao)用(yong)手或導體觸摸印(yin)刷(shua)電路板(ban)上的元件(jian)或導體。

7、任(ren)何替換設備(bei)、檢修設備(bei)環(huan)節(jie)定要斷電今后才干(gan)進行。

 電磁(ci)式(shi)(shi)加(jia)熱方式(shi)(shi)與電阻(zu)絲加(jia)熱方式(shi)(shi)對比:

1、節能效果好:相比(bi)原(yuan)電阻絲加熱(re)圈節電效果都在30%以上,相對(dui)不(bu)同(tong)的原(yuan)料、生產不(bu)同(tong)的產品(pin),節電效果有所變化。但在已(yi)使用的產品(pin)中節電效率大可達(da)75%。

2、環(huan)保效果好:可顯著降低環(huan)境溫度。

3、使用壽命長:加熱(re)圈(quan)連續運行溫(wen)度只有100℃左右,不存在(zai)加熱(re)圈(quan)更換問題。相對于電(dian)阻絲(si)加熱(re)減少了二(er)次投入(ru)。

4、可提(ti)(ti)高(gao)(gao)產(chan)品(pin)產(chan)量(liang):由(you)于該產(chan)品(pin)的(de)發熱效率高(gao)(gao),能顯著減少(shao)升溫時間,提(ti)(ti)高(gao)(gao)產(chan)品(pin)產(chan)量(liang)。

5、性能安全可靠:品質優良、高(gao)度(du)自動化(hua)、無須人工調(diao)節。

電磁加熱器IGBT溫度傳感器異常解決方法(fa):

1、出現傳(chuan)感器異常(chang)后請先(xian)將(jiang)傳(chuan)感器引線主板上拔下,再用萬用表測量其阻(zu)值(zhi),常(chang)溫25℃時(shi)阻(zu)值(zhi)應約為10K,否則傳(chuan)感器已損壞。

2、如(ru)傳感器(qi)正常,再(zai)檢測傳感器(qi)引線是(shi)否(fou)與CN3連(lian)接(jie)正常。C36、R16是(shi)否(fou)開、短路。

3、檢測(ce)U5第16腳是否連接正常。

電磁加熱器不工作的十(shi)大(da)因素:

1、電磁加熱器內部受潮,線(xian)路(lu)損壞,導致電磁加熱器不工作(zuo)。

2、電壓(ya):電壓(ya)應該高于(yu)323V并且低(di)于(yu)440V,否則(ze)就(jiu)容易啟動不了(le)機器。

3、線(xian)(xian)圈(quan)溫(wen)(wen)度過高:檢查(cha)(cha)線(xian)(xian)圈(quan)的(de)溫(wen)(wen)度或者是(shi)(shi)先去溫(wen)(wen)度傳感(gan)器(qi)的(de)情況。解決辦(ban)法是(shi)(shi)檢查(cha)(cha)散熱風扇是(shi)(shi)否損(sun)壞,接(jie)線(xian)(xian)頭是(shi)(shi)否良好(hao),是(shi)(shi)否更換線(xian)(xian)圈(quan)溫(wen)(wen)度傳感(gan)器(qi)。

4、IGBT溫度:檢查(cha)IGBT溫度傳感器、連接線、IGBT溫度。解決(jue)辦法是(shi)散熱(re)扇是(shi)否(fou)(fou)正常工作,是(shi)否(fou)(fou)更換IGBT溫度傳感器。

5、負載:檢查線(xian)(xian)圈鏈接、電感參數、IGBT驅(qu)(qu)動板和線(xian)(xian)。解決辦法是(shi)線(xian)(xian)圈圈數是(shi)否纏繞圈數過多或者過少(shao),測試IGBT驅(qu)(qu)動板和檢查IGBT線(xian)(xian)。

6、通訊異常:檢查通訊鏈(lian)接線鏈(lian)接、控制(zhi)板和AI板。解決辦法更換控制(zhi)板或者AI板。

7、IGBT模塊使用時間太長,導致IGBT模塊老化開裂,使電磁加熱(re)器不能工作。

8、電(dian)磁加熱(re)器內部電(dian)子元件規劃(hua)不(bu)合(he)理(li),導致電(dian)磁加熱(re)器不(bu)工作。

9、電磁加熱器抗(kang)干擾性差,導致不能正常(chang)工作。

10、因(yin)為(wei)線路(lu)短路(lu)、漏電、超負荷、開(kai)關損(sun)壞導致跳(tiao)閘使(shi)電磁加熱器(qi)不能正常工(gong)作。

電磁(ci)加(jia)(jia)熱(re)器(qi)(qi)的(de)(de)溫度升(sheng)不(bu)(bu)上去(qu)該(gai)怎么辦?第二種(zhong)解決方(fang)法:當(dang)造粒機類似(si)于大功(gong)(gong)率(lv)(lv)時(shi),安裝電磁(ci)加(jia)(jia)熱(re)器(qi)(qi)后,溫度總(zong)達不(bu)(bu)到(dao)。而且(qie)電磁(ci)加(jia)(jia)熱(re)器(qi)(qi)也直在工作,電流也正常,但是(shi)溫度總(zong)上不(bu)(bu)去(qu),般這種(zhong)情(qing)況是(shi)功(gong)(gong)率(lv)(lv)不(bu)(bu)夠大。目前是(shi)市(shi)面上的(de)(de)些中間商用40kw貼個(ge)子就說是(shi)60kw電磁(ci)加(jia)(jia)熱(re)器(qi)(qi)的(de)(de)事件見過許多,我們可(ke)(ke)以(yi)(yi)通過電流確定(ding)下功(gong)(gong)率(lv)(lv)到(dao)底是(shi)多少,如(ru)果確定(ding)是(shi)實際(ji)(ji)功(gong)(gong)率(lv)(lv)太小了(le),可(ke)(ke)以(yi)(yi)加(jia)(jia)大實際(ji)(ji)功(gong)(gong)率(lv)(lv)來實現。要是(shi)確定(ding)實際(ji)(ji)功(gong)(gong)率(lv)(lv)不(bu)(bu)小了(le),這是(shi)由(you)炮(pao)(pao)筒(tong)的(de)(de)材(cai)料(liao)引起來的(de)(de),不(bu)(bu)同(tong)材(cai)質在不(bu)(bu)同(tong)的(de)(de)工作頻(pin)率(lv)(lv)時(shi)吸收(shou)熱(re)量(liang)也不(bu)(bu)同(tong)。應該(gai)是(shi)嘗(chang)試(shi)增(zeng)加(jia)(jia)諧振電容容量(liang),讓Q值(zhi)增(zeng)加(jia)(jia),提(ti)高(gao)線圈(quan)高(gao)頻(pin)電流。可(ke)(ke)以(yi)(yi)使炮(pao)(pao)筒(tong)內(nei)外溫度均勻的(de)(de)來達到(dao)提(ti)高(gao)炮(pao)(pao)筒(tong)的(de)(de)溫度。如(ru)果各個(ge)方(fang)面的(de)(de)條件可(ke)(ke)以(yi)(yi)的(de)(de)話,可(ke)(ke)以(yi)(yi)試(shi)著去(qu)換(huan)掉炮(pao)(pao)筒(tong)試(shi)試(shi)。

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