发布时间:2025-01-21 02:53:32
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.
请问三层楼房宽4米长8米在四角上用四根柱子不知道柱子该用多大梁该用多大钢筋怎么用
2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32 2025-01-21 02:53:32