Drillat德里亚
drilln.钻孔机;钻子;反复操练;播种机v.练习;钻孔;(军事)训练
drills in technique“技术操”
drilling deflection钻孔偏斜
driller control cab司钻控制系统
drill lip clearance钻刀余隙角
Drill Bit Materials钻头材料
drill-holing pile钻孔灌注桩
drilled well ground钻井式接地
drill through chest穿过胸膛
drilling-grouting钻探注浆
drill for quarrying采石钻机