Open raise implies that building work is limited to the raise catwalk and the basis of a simple platform on which drilling personnel stand . 开放式天井,是指那些开挖过程中只需设置天井升降梯道及供钻工站立的简单基础平台的天井。
Are there machinists in the oil - drilling group 4钻工钻井队有机械师吗?
Is there any machinists in the drilling group 4钻工钻井队有机械师吗?
Any machinists in the oil - drilling group 4钻工钻井队有机械师吗?
Directional sidetracking techniques of marine deep wells in yudong area of west hubei province 鄂西渝东海相深井定向侧钻工艺技术
索钻工: cable driller铁钻工: iron roughneck新钻工: bronc镗钻工: borer辅助钻工: drillers helper深钻工艺: deeppenetration technology镶钻工具: jewel setting tool硬岩钻工: hard-rock driller钻工,凿洞者: perceur, se n钻工;顶管机: pipe pusher钻工安全帽: tin hat钻工领班: toolpusher强行下钻工具: snubber钻井工和镗钻工: well driller and borer塔上起下钻工作平台: tubing board地震炮眼钻工;野外地球物理工作者: doodlebugger钻根害虫。: root borer钻个眼儿: drill a holebore go throughpenetratepierceget into钻铬合金用砂石针: abrasive points for chrome cobalt alloy钻钢 钻头钢: drillsteel钻狗洞: do evil; lead a wiched life; toady to the rich [influential]钻钢: drill steel; drilling steel; drillsteel