短語詞組短語cut pneumatic rock drill 露天氣動鑿巖機valveless pneumatic rock drill 無閥氣動鑿巖機open -cut t pneumatic rock drill 露天氣動鑿巖機Air -leg pneumatic rock drill 氣腿式風(fēng)動鑿巖機leg -mounted pneumatic rock drill 風(fēng)動支架鑿巖機internal -rotary pneumatic rock-drill 內(nèi)廻轉(zhuǎn)氣動鑿巖機 返回 pneumatic rock drill