side-wall drill 水平孔钻机 ; 侧壁钻机
wall drill pipe 双壁钻杆
Hevi-wall Drill Pipe 加重钻杆
drill hole wall 钻孔壁
heavy wall drill pipe [油气] 厚壁钻杆
diamond thin-wall drill 金刚石薄壁钻
Apply air reverse circulation drilling, appropriate increase length of twofold wall drill tools under certain conditions, may be drilling much deeper.
运用气举反循环钻进，在满足一定条件下适当增加双壁钻具长度即可得到较大钻进孔深。
13 years ago, Jerry wanted to drill a hole through his living room wall.
13年前，杰瑞想在客厅的墙上钻个洞。
Finally she had to hire a Puerto Rican fellow to drill a hole in her wall.
最后，她只好雇了一个波多黎各来的家伙在她的墙上钻了个窟窿。
应用推荐