槽顶钻头 [机] castellated bit
顶板锚栓钻机 roof-bolt drill
钻孔顶角 zenithal angle of hole
顶板锚杆钻孔 roof bolt hole
顶驱钻井 top drive drilling ; TOP DRIVE DRILLING SYSTEM
顿钻千斤顶 cable tool jack
钻石顶火山径道 Diamond Head Crater trail
顶部驱动钻井系统 overhead drilling system ; top drive drilling system
顶驱钻井系统 Top Drive Drilling System
顶举驳船型钻油台 jack-up barge type drilling rig
看着井架工或钻工的手势，司钻慢慢的把游车或顶驱挂住。
The driller slowly hangs off the traveling block or top drive in accordance with the derrickman's or floorman's signal.
阐述了液压支架所用立柱、千斤顶的缸筒在上深孔钻镗床进行镗孔、滚压之前必须进行的加工工艺的设计。
This paper expounds the design of processing techniques before hole-boring on the cylinder of upright post and hoisting jack used in the hydraulic support.
该方法的初采钻爆技术是解决顶煤破碎与顺利放出的有效途径之一。
The technique of primary drilling and blasting is an effective way to solve the problem of crushing, caving and transportation.
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