定向钻孔 in a sentence
- Simulation method on directional drilling - hole course
- Research on technology and equipment of controlled directional borehole for drawing out of gas from coal mine
- Construction of directional drilling hole is the key . slop prepare is the important ensuring of back - dragging successfully
How can I put and write and define 定向钻孔 in a sentence
and how is the word 定向钻孔 used in a sentence and examples? 用定向鉆孔造句
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