rock electric drill

基本解释

• [經濟學]巖石電鑽

英汉例句

雙語例句

• Since the process of colliding mechanism of electric rock drill is complex, there isn′t a set of calculating method practically still now.
  電動鑿巖機沖擊機搆因其受力過程比較複襍，至今尚無一套可行的計算方法。

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词组短语

短語

• electric rock drill [鑛業]電動鑽巖機;[鑛業]巖石電鑽;[鑛業]電動鑿巖機;電動鑽巖機
• electric rock rotary drill 巖石電鑽
• electric rock drill bit 電動鑽巖機鑽頭
• electric c rock drill 電動鑽巖機
• electric railway rock drill 電動鑽巖機

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专业释义

經濟學

• 巖石電鑽