片语
Drill head quantity动力头数量
small drill head小鉆头
air hydraulic drill head气动液压鉆头
drill bit[机][地质] 鉆头,[矿业] 钎头;强鉆头
multiple spindle drill head多轴鉆削头
Petroleum Drill Head石油鉆头
bore bit鉆头
internal doublerun drill grinding head内圆磨头
drill grinder head鉆磨头
auger r drill head螺旋鉆头