Drillet德里耶
drilln.钻孔机;钻子;反复操练;播种机v.练习;钻孔;(军事)训练
drilling troubles钻井故障
driller's monitor
driller insertion钻机就位
drill stem stress钻柱应力
Drilled pipelines打孔管道
Drilling assembly钻具组合
drilling accident孔内事故
drill point gauge钻头角度规
drilled equipment成孔机械
drilling operator[经] 钻井操作者, 钻井作业者, 钻井经营商