井下

In the evening, Barras and Jennings went down and began to explore the old workings.

黄昏时分, 巴勒斯和詹宁斯来到井下,开始仔细察看老矿区.

For the underground program, introduces basic information about the structural design, but also introduced the three important parts of the mine design, the mobile terminal module, benchmarking modules, sub-station coordination module.

对于井下程序，介绍了基本信息的结构设计，又分别介绍了井下三个重要部分的设计，即移动终端模块，基准定位器模块，分站协调器模块。

The Radio frequency communication irreplaceable makes mobile communication realized in underground mine.

射频通信无可替代地实现了矿山井下的移动通信.

The night shift should have been safely down the mine long ago.

上夜班的矿工应该早就安全地到达井下了。

Piezometric technique with capillary tubing is a kind of technique which transfers downhole pressure onto surface by taking nitrogen as the pressure transfer medium, tests the pressure, and then based on it reckons the pressure at the piezometric depth.

毛细管测压技术是以氮气作压力传递介质，将井下压力传递到地面，在地面完成压力的测试，再将所测压力推算至井下测压深度处压力的一种测压技术。

An intelligent sensor of feed state used in underground mine was introduced.

介绍了一种适用于煤矿井下使用的智能馈电状态传感器.

Hygienic standard for environmental meteorology in underground workplace of coal mine.

煤矿井下采掘作业地点气象条件卫生标准.

For the casing pipe was broken down, the three-dimensional borehole television technology was introduced, it is a new technology that view the condition of downhole.

针对目前油水井井下套等损坏程度判断不清的现状，引进了管壁超声彩色成像测试技术，它是一项反映井下套管状况的新技术。

A mechanical floating is used because of instrument, water quality and down hole tools that make in-correct result measured or instrument blocked down hole.

使用机械浮子井下流量计经常因仪器、水质、井下工具等问题，造成测试资料不准或因卡住仪器而修井。

He sat by the window ruminating on recent underground accidents.

他坐在窗旁反复思考最近发生的井下事故.

SY 1 series downhole pressure gauge is made of spring tube.

SY1型系列井下压力计,是一种弹簧管式井下压力计.

Mining rescue command talkback and broadcasting system is an important part of the mine safety.

矿用井下救援指挥广播对讲系统是矿井安全的重要组成部分，是加强矿井安全生产监控能力，提高矿井生产管理效率，确保井下通讯畅通的有效工具。

A primary effect is so obtained for the testing of surface and underground samples.

用以解决地面或井下未知层位样品的判别归属问题，经地面和井下验证取得初步成效。

A downhole safety valve for offshore well completion is developed.

目前国内尚没有适合海上油井完井采油的井下安全阀定型产品，为此研制出SF－1型井下安全阀。

We send the food and water down into the mine through silos.

我们通过立井把食物和饮用水送到矿井下.

For the problem in fault diagnosis, an arithmetic for oil well underground status has been introduced.

针对井下故障判断不完善的问题, 文中引入井下工况计算方法.

The density control of gas and coal dust is done through optimal allotment of the ventilation quantity in the coal mine well.

煤矿井下瓦斯和煤尘的浓度控制是通过煤矿井下通风量的优化分配实现的，是实现煤矿安全生产的关键环节。

In the mine drainage system many drainage pumps must work correspondly.

摘要在煤矿井下的排水系统中,需要多台排水泵协调地工作.

In the system uses Siemen S7-300 PLC as underground centralized control station, which can deal with various telemechanical protocols of power system and can communicate with various intelligent electronic devices; therefore, the automatic monitoring of underground substation can be implemented.

该系统利用西门子S7-300型PLC作为井下集中控制站，可以处理多种电力系统远动规约，还可与多种智能电子设备进行通信，实现煤矿井下变电所的自动监控。

Expounds the methods that establishes computational table of wirework of theodolite in underground by using EXCEL spreadsheet and the results of usage of underground survey in the coal mine, there is certain certain value of popularization.

阐述了利用EXCEL电子表格创建井下经纬仪导线计算表的方法及在矿山井下测量中的使用效果，有一定的推广价值。

So that managers can remotely manage the WSN, effectively monitor the underground conditions and accurately locates miners.

实现了管理员对无线传感器网络的远程管理、对井下环境的有效监测，以及对井下人员的定位和调度。

The correctness of the result was proved by some underground boreholes.

经过少量的井下钻孔验证,证实了结果的正确性.

According to the practical requirement, a tubing length measuring device is developed.

根据油田井下作业的实际需要, 研制了一种油管长度在线连续测量仪.

In the course of oil exploitation on a regular basis must be in accordance with underground data ( such as the underground pressure, flow, temperature, etc.) and adjust the design development program.

在石油的开采过程中必须定期根据井下数据（如井下压力、流量、温度等）合理设计并调整开发方案。

After the talks, the leader of the Workers' Council said his men would be going back down the mines.

会谈之后，工人委员会的领袖说他手下的工人们会重回井下工作。

These mines take out give out gas and use gas early.

各矿区煤层气井下抽放及利用工作开展得较早,发展速度快.

Therefore there exists the stronger geological structure stress in the deep mining.

因此，在井下深部存在着较强的地质构造应力，井下采场及巷道所受的矿山压力也特别大，严重地影响到生产的安全。

After the knock-off bell, workers came up from the mining pits.

打过下班铃后, 井下的工人们就从坑口上来了.

There is some trouble in the borehole. Don't leave the rig floor.

井下出现复杂情况, 不要离开钻台.

Rescue workers were sent to relieve the trapped coal miners.

抢险人员被派去解救被困在井下的煤矿工人.