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
drilling equipment钻孔设备
drilling-machinen.钻床;钻机
drilling-in unit小钻机
drilling parameter钻进参数
drilling deviation钻孔偏斜
drill collar screw钻铤螺纹
drilling core hole钻芯孔
drilling mechanism加工机理
drill for minerals钻探矿物
drill-press vice钻床虎钳