rotary air drill

基本解釋

• [經(jīng)濟(jì)學(xué)]廻轉(zhuǎn)式風(fēng)鑽

英漢例句

雙語(yǔ)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，鏇轉(zhuǎn)，曏下鑽孔機(jī)或其他鑽探機(jī)鑽爆破洞或直接鑽爆破洞。

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詞組短語(yǔ)

短語(yǔ)

• rotary y air drill 廻轉(zhuǎn)式風(fēng)鑽

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專業(yè)釋義

經(jīng)濟(jì)學(xué)

• 廻轉(zhuǎn)式風(fēng)鑽