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...
Consider supplements over and above this healthy diet.除了这种健康饮食之外，还应考虑各种补养品。We gave them two tons over and above the amount agreed to.除了洽定的数量,我们还多给了他们两吨.Expenditure on education has gone up by seven point eight per cent o...