pneumatic rock drill
短语词组
- cut pneumatic rock drill 露天气动凿岩机
- valveless pneumatic rock drill 无阀气动凿岩机
- open -cut t pneumatic rock drill 露天气动凿岩机
- Air -leg pneumatic rock drill 气腿式风动凿岩机
- leg -mounted pneumatic rock drill 风动支架凿岩机
- internal -rotary pneumatic rock-drill 内回转气动凿岩机 返回 pneumatic rock drill