井下的例句大全

Operation and safeguard system of mine cable wire belt based on double PLC

基于双PLC的井下钢缆皮带操作保护系统

This paper introduces the working principle, structural features, process technology and site test of the SDWX/ JW& ⅲ heavy mobile belt tail.

本文介绍SDWX/JW&Ⅲ型重型自移机尾的工作原理、结构特点、制造工艺及井下工业性试验情况。

Study of Visual System of Underground Information Based on GIS

基于GIS的井下信息可视化系统研究

Practice and Reflections on Comprehensive Improvement of Quality Management for Down-hole Operation System

全面提高井下作业系统质量管理水平的实践与思考

Seventy-two miners have been found alive.

爆炸发生后，井下矿工有72人得以生还。

The developmental process of this filling technology is presented and evaluated, including dynamic electrochemical consolidation, underground centrifugal dewatering and pumping, pipeline self-flow delivery and paste pumping of the highly concentrated unclassified tailings.

本文按照其发展过程介绍了动电固结工艺、全尾砂井下离心脱水泵送充填工艺、高浓度全尾砂胶结充填管道自流输送工艺和膏体泵送充填工艺，并对这些工艺作了评价。

5721 test system is an important equipment to test WTS logging tool.

5721检测系统是检测5700的WTS井下仪的重要设备。

By using visual tools of JDI the relative convergence area of seismic events in initial mining district is delineated combining with the causes according to practical mining underground.

利用可视化工具JDI对事件的相对集中区域进行圈定，并与井下生产活动相结合，分析原因；

The new bottom hole control valve design.

新型井下采油控制阀设计.

But you are evidently in sore trouble and distress, so I will not desert you.

但你正处在危难中, 我不能落井下石.

If a man once fall all will tread upon him.

落井下石.

B : Stop rubbing it in, OK?

别落井下石了, 好 吗 ?

Inspired by the successful test of Enhanced Coal Bed Methane ( ECBM) by means of gas injection, the gas injection technology was firstly applied to accelerate coal seam methane emission and drainage in underground coal mine.

受煤层注气提高煤层气产出率（ECBM）试验成功的启发，首次成功地将煤层注气驱替技术用于煤矿井下注气促排促抽煤层瓦斯的工程技术领域。

He worked all his life down the pit.

他一辈子在矿井下工作.

Construction Technology to Pressurized Seal High Pressure Gas and Sulphuretted Hydrogen Gas in Underground Mine

煤矿井下带压封堵高压瓦斯及硫化氢施工技术

The QoS Design of Embedded Network Outstation Used in Underground

嵌入式井下网络分站的QoS设计

Research on the Location Approaches of Miners Based on EMW Ranging

基于电磁波测距的井下人员定位方法研究

Application of DTx Technology to Mine Underground Communication

DTx技术在井下通信中的应用研究

The valve assembly herein discussed is mainly composed of valve, valve seat, piston, spring and rod.

防止清蜡热液渗入地层的新型井下阀装置主要由阀门 、 阀座 、 活塞 、 弹簧和连杆等组成.

The Data Acquisition and Compression of Downhole Video ( DHV) System

井下电视系统数据采集及压缩