drill in 训练掌握 ; 在…方面操练
drill in fluid 钻井完井液
drill-in fluid 钻井液
casing drill-in [矿业] 套管送下程序
drill in grammar 语法练习
drill in formation 为某种需要而练习排列或变换队形 ; 练队
impact drill-in 冲击钻进
reverse circulation drill-in 反循环钻进
Drill in business news reading 商业新闻阅读方法训练
The drillhead of IceCube's Enhanced Hot Water Drill emerges from the ice in a December 2010 picture.
冰立方增强型热水钻的钻头从冰层中显露出来。
To reach the icy depths, scientists designed and built the Enhanced Hot Water Drill, which can penetrate more than 1.2 miles (2 kilometers) of ice in less than two days.
为了达到既定的冰层深度,科学家们设计并建造了增强型热水钻(Enhanced Hot Water Drill),这种设备可以在不到两天的时间里穿透厚度超过两公里的冰层。
Jack used a drill to bore a hole in the wall above the fireplace.
杰克用钻子在壁炉上方的墙上钻孔。
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