井下

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.

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.

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.

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.

Main noise source under the circumstance is human equipment.

矿井瞬变电磁测量中的主要噪声为井下人文设施.

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.

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.

Applicafion of the Low-Frequency Electrical Pulse Oil Production Technology in the Downhole.

与井下 低频 电脉冲采油技术的应用>>相似的文献.

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.

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.

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.

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.

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.

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.

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.