You hold the lower nut with one spanner while you undo the top nut with another one-do you see what I mean?
你用板手固定住下面螺母，同时用另外一把扳手拧开上面螺母，你明白的意思吗？
You hold the lower nut with one spanner while you undo the top nut with another one - do you see what I mean?
你用板手固定住下面螺母，同时用另外一把扳手拧开上面螺母，你明白的意思吗？
You hold the lower nut with one spanner while you undo the top nut with another one - do you see what I mean?
你用板手固定住下面螺母，同时用另外一把扳手拧开上面螺母，你明白的意思吗？
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