常见例句雙語例句May operate air-track, rotary, down-the-hole or other drilling machines to drill blast holes or may direct drilling of blast holes.操作空氣運作軌道,鏇轉,曏下鑽孔機或其他鑽探機鑽爆破洞或直接鑽爆破洞。 返回 air-track drill