对具备瓦斯治理能力的矿井如何处理?
参考答案:
对具备瓦斯治理的矿井经评估要立即停产,限期整改或由具备瓦斯防治能力的企业兼并重组。
If he ________ my advice,he wouldn’t have lost his job.[ ]
A.followed
B.should follow
C.had followed
D.would follow
渗水抢险以“临水截渗。()”为原则。
A.背水塞堵
B.背水导渗
C.黏土后戗
D.背水盖堵