发布时间:2025-01-21 02:54:10
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.
六层高楼房柱子要多大 每层300平方 底层柱子间距55米左右 层高55米 要用多大柱子
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