矿井水害的预防与控制措施应坚持()的原则指导和组织井巷掘进施工。A.排水为主,堵水为 发布时间:2017-07-24 11:08 │ 来源:www.tikuol.com 题型:单项选择题 问题: 矿井水害的预防与控制措施应坚持()的原则指导和组织井巷掘进施工。A.排水为主,堵水为辅B.探水为主,排水为辅C.避水为主,堵水为辅D.有疑必探,先探后掘
题型:单项选择题 The position, however, ________you are applying, is not quite a wellpaid one.[ ]A. that B. which C. for which D. to which 查看答案