石门或立井揭煤工作面从固化到揭煤结束的时间超过()时,必须重新进行工作面突出危险性预 发布时间:2018-03-18 04:43 │ 来源:www.tikuol.com 题型:单项选择题 问题: 石门或立井揭煤工作面从固化到揭煤结束的时间超过()时,必须重新进行工作面突出危险性预测或效果检验。A、5dB、2dC、3dD、4d
题型:单项选择题 She is always smart and cheating others. I can't believe she was ____ by him this time, who is a little dull boy.A.taken upB.taken downC.taken inD.taken on 查看答案