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。
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。
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。
The number of drill rigs actively drilling for gas has barely budged, though it has been down in the US three of the last four weeks.
积极进行天然气钻探的钻井数量也几乎未发生变化。
At the same time, also supporting the production of a variety of drill RIGS, drill bits, and provide equipment maintenance services.
同时，公司还配套生产各种钻机的钻杆，钻头，并提供机具维修服务。
The current shallow hole drill rigs can't meet the desire of shallow hole drilling and sampling in difficultily entered area and dry area.
本钻机吸取了国内外轻便钻机的结构型式特点，结合作业环境和取样要求，设计出一种振动冲击式、轻型的、易拆装、方便搬迁的新型轻便浅孔钻机。
This device is a new kind of drill rod fixture to be used with the rod storage to implement the mechanization of drill rods connection for drill rigs.
该机构是一种新型的接卸钻杆机构，其与贮杆器配合使用可使钻机实现机械化接卸钻杆。
And as oil firms are forced to drill in ever deeper waters, ships suited to the task of towing and maintaining new RIGS will be needed.
同时由于油井必须向更深的水下开采，适合于拖动和维护新型海上石油钻井的船舶也会有需求。
The order was given to haul drill-rigs to some of the sites and put the theories to the test.
下达了命令，要把钻机运往一些地点以检验这些理论。
Rig GFC-120 is a kind of self moving reverse circulation rotary rigs. It is mainly used to drill side foundation holes and small water wells.
GFC-120型钻机为自走式动力头回转反循环钻机，用于降水井和护坡桩基础孔以及小型水井的施工。
Rig GFC-120 is a kind of self moving reverse circulation rotary rigs. It is mainly used to drill side foundation holes and small water wells.
GFC-120型钻机为自走式动力头回转反循环钻机，用于降水井和护坡桩基础孔以及小型水井的施工。
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