对它们进行拆卸时经常要用到液压千斤顶，有时甚至还必须采用钻孔拆卸的办法。

Often, hydraulic jacks are required to remove the fitted bolts and sometimes they need to be drilled out.

youdao

对它们进行拆卸时经常要用到液压千斤顶，有时甚至还必须采用钻孔拆卸的办法。

Often, hydraulic jacks are required to remove the fitted bolts and sometimes they need to be drilled out.

youdao