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　　端(duan)蓋(gai)(gai)是(shi)安(an)裝(zhuang)在(zai)電(dian)(dian)(dian)機(ji)等機(ji)殼后面的一個后蓋(gai)(gai)，俗稱“端(duan)蓋(gai)(gai)”。端(duan)蓋(gai)(gai)的類型(xing)有許多種。按材質分為鑄鐵電(dian)(dian)(dian)機(ji)端(duan)蓋(gai)(gai)和鑄鋁電(dian)(dian)(dian)機(ji)端(duan)蓋(gai)(gai)。　　Y2電(dian)(dian)(dian)機(ji)端(duan)蓋(gai)(gai) Y2電(dian)(dian)(dian)機(ji)風罩(zhao)用途資料，電(dian)(dian)(dian)機(ji)端(duan)蓋(gai)(gai)是(shi)安(an)裝(zhuang)在(zai)電(dian)(dian)(dian)機(ji)等機(ji)殼后面