教室需要配一块窗玻璃,测量窗玻璃长度时所用刻度尺的最小刻度应为( )A 1MM B CM C 1DM D 1M
人气:458 ℃ 时间:2019-08-17 17:38:23
解答
A 玻璃窗起码要能密封吧 误差要到毫米级
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