... deep hole blasting 深孔爆破 deep level development 深部水平开拓 deep mining 深部开采 ...
双语例句
1
The development of the catalysts has reached the level to meet the requirement of industrial production, but the basic study of the catalysts is not so wide and deep.
But the development and utilization of deep groundwater vary, the level of developed resource compositions has big changes.
但是深层地下水开发利用程度不同,其开发的资源构成变化很大。
3
In combination with the features and application requirements of anhydrite, the specific direction in deep-leveldevelopment of anhydrite was pointed out.