短語詞組短語drill l jumbo 大型多鑽頭鑽機hydro -drill jumbo 液壓鑽車feed drill jumbo 長進給鑽車crawler mounted drill jumbo 履帶式鑿巖臺車rotary y drill jumbo 廻轉(zhuǎn)式鑽車rotary drill jumbo 廻轉(zhuǎn)式鑽車;鏇轉(zhuǎn)式鑽車 返回 drill jumbo