选用压力表时,需要保证一定数量的量程是为了()。A.指示清楚、好观察 B.减少测量误 发布时间:2017-06-30 13:30 │ 来源:www.tikuol.com 题型:单项选择题 问题: 选用压力表时,需要保证一定数量的量程是为了()。A.指示清楚、好观察B.减少测量误差C.保证压力表的精度
题型:单项选择题 Passage OneWhat is the speaker’s opinion of the idea that electronic instruments will destroy classical music A.He is surprised by it.B.He disagrees with it.C.He thinks it is too soon to tell.D.He is alarmed by it. 查看答案