... 手性固定化 chiralstationary phase CSP 固定板手 fixed wrench 固定手把扣 fastness-lock ...
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固定在底板的手动杠杆 floor mounted hand lever
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?
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