The Prediction if pumpage from mining wells is very important for mining work.

矿井涌水量预测对于矿山开具有重要意义。

Joseite A was taken from the Dadongchang Pb-Zn deposit in Yunuan Province.

硫碲铋矿A产于云南省大硐厂铅锌矿床，与自然铋、辉铋铅矿井生。

The men trapped in the mine were asphyxiated by gas.

那些困在矿井中的因瓦斯中毒窒息死亡。

The mines had been closed down following a geological survey.

继一次地质调查之后,这些矿井已被关闭。

The miners put some explosives in the mine, to loosen the coal.

矿在矿井里放些炸药，以便把煤炸开。

The inspector went down the mine.

监察员已下到矿井里。

The workers see the closure of the pit as the end of the line for mining in this area.

们把矿井的封闭看作是当地矿业的结束。

Along with the well deveoping,hoisting speed and load are bigger and bigger,we must pay enough attention to the overwinding of skip.

随着矿井的发展,度越来越大,载荷也越来越大,箕斗过卷应得到足够重视。

This paper resumptively introduces the gist of design of electromagnetism, structure and so on of the large synchronous motor driving mine winder.

概括矿井同步电动机的电磁、结构等方面的设计要点。

The premonitor of gushing water and recognition of origin - water are expounded, and put forward the predictive melhod of gushing waler.

详细阐述矿井突水征兆和突水水源的识别,出矿井突水预测的方法。

In mine construction engineering area, Apolune International Limited provide design of vertical shaft, inclined shaft, ventilating shaft, ore pass, drift, tunnel and all kinds of underground chamber.

在矿井建设程设计方面，远月点国际有限公司供竖井、斜井、风井、溜井、平巷、隧道及各种地下硐室的设计。

The combined method of speed key point monitoring and speed chart monitoring is advanced to prevent hoist overrolling,significantly improving the safety and reliability of mine hoist operation.

用度逐点监视和包络线监视技术，防止矿井机严重过卷，大大高机运行的安全性和可靠性。

A new type of digital phasometer applied to the infrared laser position-tracking system of mine hoister is introduced in the paper,which is based on FPGA and FFT algorithm.

主要介绍在矿井机红外激光位置跟踪系统中一种新型数字鉴相器的研究方法,该方法是基于FPGA器件运用FFT算法完成的。

In this paper, a computer monitoring and control system for mine elevator and its hardwareand software designs are presented.The elevator is driven by a DC motor and controlled by an amplidyne.

本文介绍对交磁扩大机控制的直流拖动矿井系统进行计算机监控的系统组成及硬、软件设计。