excation

常見例句

The serious hydrocele of the excation might conduce the working face or livelong minesubmerged, So need use many ways to detect the hydrocele of the excavation.
采空區(qū)積水嚴(yán)重時,會導(dǎo)致工作面以至整個礦井的淹沒,因此,必須正確運(yùn)用多種方法探測采空區(qū)積水,解除水患。
Hard work is not something that you can do when you "get around to it".To be benefical,it must bu regular,excat and rewarding.
艱難的工作不是隨意應(yīng)付就可以的，要做出成效，就必須持之以恒、不折不扣，并有回報。