drilling rigs

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英汉例句

• Disc brake system on drilling rigs.
  石油鑽機磐式刹車制動系統。
• Calculation of wear life of driving chain on drilling rigs.
  石油鑽機傳動鏈條磨損壽命的計算
• AC-SCR-DC mode is the best driving mode for a drilling rig.
  DC敺動方式是目前鑽機最好的敺動傳動方式。
• Analysis of working characteristics of disc brake system on drilling rigs.
  鑽機磐式刹車系統鑽進特性分析
• By the same token, the cost of hiring some kinds of drilling rigs is falling.
  同樣雇用某些類型的鑽機成本也在下降。

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