drill out crank shaft的意思|示意
美 / /
英 / /
钻出曲轴
drill out crank shaft的网络常见释义
钻空曲柄轴 ... rotary drill for shaft sinking 凿竖井用回式钻机 drill out crank shaft 钻空曲柄轴 multiple-drill shaft sinker 多钻凿井机 ...