drilling rigs

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英汉例句

• Disc brake system on drilling rigs.
  石油钻机盘式刹车制动系统。
• Calculation of wear life of driving chain on drilling rigs.
  石油钻机传动链条磨损寿命的计算
• AC-SCR-DC mode is the best driving mode for a drilling rig.
  DC驱动方式是目前钻机最好的驱动传动方式。
• Analysis of working characteristics of disc brake system on drilling rigs.
  钻机盘式刹车系统钻进特性分析
• By the same token, the cost of hiring some kinds of drilling rigs is falling.
  同样雇用某些类型的钻机成本也在下降。

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