rotary air drill
基本解釋
- [經(jīng)濟學(xué)]回轉(zhuǎn)式風(fēng)鉆
英漢例句
- 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,旋轉(zhuǎn),向下鉆孔機或其他鉆探機鉆爆破洞或直接鉆爆破洞。
雙語例句
專業(yè)釋義
- 回轉(zhuǎn)式風(fēng)鉆