短語詞組短語rotary y rock drill 鏇轉(zhuǎn)式鑽巖機(jī)rotary rock -drill 鏇轉(zhuǎn)鑽石機(jī)internal -rotary pneumatic rock-drill 內(nèi)廻轉(zhuǎn)氣動(dòng)鑿巖機(jī)electric rock rotary drill 巖石電鑽rock rotary drill 巖石鑽 返回 rotary rock drill