drill inv.训练(某人)掌握(某种技能;法则等);套管钻进
drilln.钻孔机;钻子;反复操练;播种机v.练习;钻孔;(军事)训练
drilling and turning钻镗加工
drilling temperature钻削温度
drilling under films膜下条播
drill pipe protector钻管保护器
drilled filling pile钻孔灌注桩
Drill string failure钻柱寿命
drilling exploration钻孔勘探,钻探
drilling hole method钻孔法
drill and blast plan钻爆方案
drilled pouring pile钻孔灌注桩