There is some trouble in the borehole. Don't leave the rig floor.井下出现复杂情况, 不要离开钻台.Borehole hydromining is a kind of safe and efficient new mining method.钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法.But the research on borehole ...
But the research on borehole deviation control is very few.但在井斜控制方面的研究还很欠缺.Borehole hydromining is a kind of safe and efficient new mining method.钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法.There is some trouble in the borehole. Do...
Stewart stepped off the kerb.斯图尔特走下马路牙子。He hit his forehead against the kerb when he fell.他摔倒时额头碰在了路边镶边石上.The driver bumped the kerb while reversing.司机倒车时撞到了路边石....
This drugs scandal is another blot on the Olympics.这次的兴奋剂丑闻又给奥林匹克运动会抹了黑。a contender for a gold medal in the Olympics奥运金牌的争夺者to win a gold medal in the Olympics在奥林匹克运动会上赢得一枚金牌...
When Sotomayor is on form he is virtually invincible.索托马约尔状态好时几乎无人可敌。Sotomayor, the Cuban holder of the world high jump record, cleared 2.36 metres.古巴的世界跳高纪录保持者索托马约尔跳过了2.36米。Ms Sotomayor ruled that that was fine; the Sup...
Trichophyton mentagrophytes activity of three different bast fibers - hemp, flax and ramie fibers.本文以汉麻韧皮和亚麻织物为原料,在不同的活化条件下制备出活性炭纤维样品.He is very hard - working and always does his bast.他很努力,总是尽自己最大的力量.What is attached is...