drillionadj.无限大数目的;天文数字的
drilln.钻孔机;钻子;反复操练;播种机v.练习;钻孔;(军事)训练
drilling tool stillness钻具静止
drilling fluid moulding冲洗液类型
drilling and completion钻完井
drilling waste slurries钻井泥浆
drilling machine fixing钻机固定
drilling perfusion pegs钻孔注灌桩
drilling grouting piles钻孔压浆桩
drilling fluid additive钻井液添加剂
drilling machine choice钻机选择
drilling superintendent钻井主任