短語詞組短語drill l jumbo 大型多鑽頭鑽機(jī)hydro -drill jumbo 液壓鑽車feed drill jumbo 長(zhǎng)進(jìn)給鑽車crawler mounted drill jumbo 履帶式鑿巖臺(tái)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