| 释义 |
gas extraction短语¹³¹⁶²⁰⁺³
基本例句
天然气的开采
Sequentially, the effective radius of gas extraction and the effective pressure- released radius of pressure- released borehole are calculated by the borehole destroying radius expressions.
所得出的钻孔破坏半径的表达式可用于不同条件下计算瓦斯排放钻孔的有效排放半径和卸压钻孔的有效卸压半径。 cnki
The mining, oil extraction, and gas extraction industries form yet another group.
从事采矿、采油和采气行业的焊工组成另外一个群体。 maihanji |