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...
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 ...
在此条件下合成的产物中活性物含量可达40%.Under the optimum conditions, the content of active substance could reach 40 %.其固体物的质量分数为25%,活性物质量分数为18%.Its solid was 25 % and the activating agent was 18 %.对以氟化钠和一氟磷酸钠为基础的 抗 龋活性物配方的有效性给予了肯定.The ef...
To avoid extra expense and mess later on, try to decide on fittings before the plastering's finished.为避免将来出现额外的开支和不必要的麻烦，尽量在抹灰完工之前把固定设施确定下来。Sue's cousin was plastering the ceiling in a dank basement.苏的表弟当时正在一间潮...
She was his favorite and could speak to him so impudently.她是他的宠儿,可以那样无礼他说话.Chinese green tea is always a favorite with our customers.绿茶很受顾客的喜爱.Talking about their city is one of the favorite pastimes for the people of Ba...
如果你孩子的体温上升，就用海绵蘸上温水轻轻地擦拭她的身体。If your child's temperature rises, sponge her down gently with tepid water.他在走廊里轻轻地走过时，我常常碰见他。I often bumped into him as he padded the corridors.她把鸡蛋轻轻地放在吉姆篮子里的稻草上。She nestled the eggs s...
The voice of despair may be weak and need amplification.绝望的呼声可能很微弱，需要扩大。Operating on the borderline of superconductivity and ordinary conductivity, they produce immense amplification.它们在超导性和普通导电性的临界线上操作, 产生巨大的放大效果.We may...