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用托盘天平测量物体的质量.测量过程中向右移动游码的作用相当于
用托盘天平测量物体的质量.测量过程中向右移动游码的作用相当于
用托盘天平测量物体的质量.测量过程中向右移动游码的作用相当于
A.向左调节平衡螺母 B.向右调节平衡螺母
C.往右盘里增加砝码 D.从右盘里减去砝码
答案
C
解析:略
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