deep drilling是什么意思 deep drilling怎么读
deep drilling的用法和样例
- Instead of bulldozing off the clay and exposing the rock, drilling was carried out through the clay and the rock by the use of special equipment.
在这里使用特殊设备穿入土层和基岩中进行钻眼，以取代常规的清除掉淤泥层使基岩外露的施工方法。
展开更多
