单项选择题
根据肌电图测定,坐高()时,肌肉活动最强,坐高为()时,肌肉活动最弱。()
A.350mm;100~150mm
B.350mm;100~200mm
C.400mm;100~200mm
D.450mm;100~150mm
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单项选择题
A.350mm;100~150mm
B.350mm;100~200mm
C.400mm;100~200mm
D.450mm;100~150mm
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