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 ...
盐渍的酸橙是北非的一种特产，在烹制鸡肉时用来调味。Lime preserved in salt is a north African speciality which is used to flavour chicken dishes.彼特? 帕博捡的一些有盐渍的胡椒在哪?Where is the peck of pickled pepper Peter Piper picked?那么彼德事在哪儿吸了一点的盐渍的胡椒粉?Where�...
I thought you'd be taking the summer courses at Georgetown University.我以为你在乔治敦大学读暑期班呢.Kyle decided on Georgetown, and I was going to Duke.凯尔决定上乔治敦大学, 而我则决定去上杜克大学.Buchanan was suspended for a year from Georgetown Uni...
The EPA's rules about what constitutes hazardous waste are backfiring against the nationwide recycling effort.环保署关于有害物质的法规同全国资源回收的工作正好唱反调.Its principal purpose is the cleanup of leaking hazardous waste disposal site...