drilling rigs
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。