采煤机电动机外壳温度不超过()。 A.80℃ B.75℃ C.70℃ 发布时间:2018-04-20 18:58 │ 来源:www.tikuol.com 题型:单项选择题 问题: 采煤机电动机外壳温度不超过()。A.80℃B.75℃C.70℃
题型:单项选择题 I'm just wondering _____ I first met Tom. [ ]A. where it was that B. that it was where C. where was it that D. that was it where 查看答案