发布时间:2025-01-24 03:45:45
如果用钻头能钻动就用钻头钻。
如果钻不动,有条件就用激光打。
没有条件,又钻不动可用电焊或气焊打孔。(但是很不规矩)
made from made in made of 都有什么区别呢
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