电动钻岩机 [矿业] electric rock drill
电动钻具 electric drill ; [机] electrodrill
轻便电动钻牙机 portable electric dental engine
电动钻机 electric drilling machine ; electric rig ; electric drill
电动钻探机 electric boring machine
井下电动钻井 electric bottom hole drilling
电动钻进式井壁取心器 electrically-driven rotary sidewall sampler
电动钻岩机钻头 electric rock drill bit
建立了新型开铁口机电动钻冲机构的力学模型，计算了它的固有频率和主振型。
Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established.
建立了新型开铁口机电动钻冲机构的力学模型，计算了它的固有频率和主振型。
Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established. The natural frequencies and mode shapes of the model are calculated.
堆在收银台附近，像费雪玩具一样颜色鲜艳的它，是一个看起来不那么严肃的电动工具：一个电池驱动的锯和钻的组合。
Stacked near the checkout counters, and as colorful as a Fisher-Price toy, it is a not-so-serious-looking power tool: a battery-operated saw-and-drill combination.
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