发布时间:2025-02-01 18:50:17
这是一般的风扇马达线圈吧.其实要拆下铁芯并不难,拿扁平的起子从铁芯周围的空隙撬起来就行了.
cpvc管材主要成分是什么pvcc管主要成分是什么两者是不是同一种管才
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