常見例句雙語例句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(yùn)作軌道,旋轉(zhuǎn),向下鉆孔機(jī)或其他鉆探機(jī)鉆爆破洞或直接鉆爆破洞。 返回 air-track drill