DRILL RIGS tower over the silos on farms in Pennsylvania.

宾夕法尼亚的农场，一座座钻塔高耸，俯视着贮粮的圆仓。

youdao

Spiral bevel gears are usually used to improve the bearing capacity of the Angle transmission gears on drill RIGS.

在钻机里常采用弧齿圆锥齿轮提高角传动齿轮承载能力。

youdao

Most rotating chassis and winch (or hoist) systems of domestic drill rigs are driven by hydraulic transmission in the 90's.

90年代以来，国内研究制造的大扭矩转盘式工程钻机基本上都采用液压传动方式驱动转盘和卷扬（或提升）系统。

youdao

With drilling being the determinate cost, new techs like multi-pad drilling and ultra-mobile drill rigs attract a lot of attention.

FORBES: Will Natural Gas Stay Cheap Enough To Replace Coal And Lower US Carbon Emissions

The past several years have been challenging for company so dependent on transporting drill rigs and other over-sized equipment for the international oil companies.

FORBES: Will the Vanguard Semi-Submersible Ultra Heavy Lift Ship Keep Dockwise Afloat?

Next door is Simops, or simultaneous operations, which choreographs the complex dance of drill ships, drill rigs and service vessels that crowd the sea above the leaking well.

WSJ: Spill Fight Shows Progress