At last, some suggestions were raised for the concrete backfill mining.最后对具体的充填开采方法提出了建议.This article is good for promotion of backfill.本文对充填技术的推广,具有一定的参考价值.The upward drift stoping with backfill is a mining method with ...
At last, some suggestions were raised for the concrete backfill mining.最后对具体的充填开采方法提出了建议.This article is good for promotion of backfill.本文对充填技术的推广,具有一定的参考价值.The upward drift stoping with backfill is a mining method with ...
在短短的两小时内,韦布将军的救兵就可望到达.In two short hours we may look for succor from Webb.他可能已经往道申哪里去搬救兵了.He's probably halfway to Dawson by now to get help.但是如果我不去搬救兵的话, 我们所有的邻居都会有危险的.But if I don't go and get help , all our ...
His poor performance may be attributed to lack of mo-tivation rather than to reading difficulties.他糟糕的表现也许要归因于缺乏积极性，而不是阅读障碍。Such a dichotomy cannot simply be attributed to coincidence.这样一种分歧不能简单归之于巧合.Another meaning can ...
A clearinghouse settles trades between holders and writers and credits profits or losses.结算中心支撑投资者和代理人之间的交易,赢利以及亏损.Enjoy fantasy games, merchandise discounts and other benefits reserved for Credential holders.喜欢幻想的游戏, 商品...