drill up向上挖掘
drilln.钻孔机;钻子;反复操练;播种机v.练习;钻孔;(军事)训练
drill-hole exploration钻探
drill-hole measurement钻孔测量
drilling fluid viscosity钻井液粘度
drilling solution mining钻井水溶法开采
drilling fluid pollution钻井液污染
drilling pole foundation钻孔桩基础
drill-clamshell method钻抓法
drilling hole in advance超前探孔(洞)
drillable cement retainer可钻式水泥承转器
drill movement by numbers按口令的操练动作