pit
井口
pit head【矿】;shaft mouth【矿】;wellhead【建】
暂无补充释义。
相关词条
pit
cesspool, drainage pit (waste well, absorbing well)
Gaul pit
wet-pit pump
spreader boom (spreader jib) open-pit mining
small pit organ
draw-in pit【电】
pit head【矿】;shaft mouth【矿】;wellhead【建】
暂无补充释义。
pit
pit
cesspool, drainage pit (waste well, absorbing well)
Gaul pit
wet-pit pump
spreader boom (spreader jib) open-pit mining
small pit organ
draw-in pit【电】