查询词典 coal pit

The concept of visualized computer simulation is given in this paper. According to an example of appraising pit bottom coal bunker capacity, it introduces the advantages of VCS. It developed a new way for applying the computer simulation method.

提出了可视化计算机模拟的概念，并以煤矿井底煤仓容量的核定为案例，介绍了可视化计算机模拟的优点，这为计算机模拟方法的应用开辟了一条新的途径。

Have an annual output of 5 million tons of large-scale open pit coal mine 20 kilometres long and two sections of the railway transport lines, 300,000 hectares of forest, a collective farm, an area of 80 hectares of a modern chicken farm, three trading companies , Five general store, and so on.

拥有年产500万吨的大型露天煤矿及两段20公里长的铁路专运线，30万公顷的森林，一个集体农庄，一家占地80公顷的现代化养鸡场，三家贸易公司，五家综合商店等。

The intellectualized electromobile anticollision system is build up by infrared ray distance measurement,monolithic machinecontrol,acousto-optic warning,hydraulic pressure braking and SO on,which have simplicity structure and easy to link with new or oldelectromobil.When before the dangerous of crash,it can stop quickly and placidly.This avoide the accident of electromobil crash cornpletely and reduced economic losses and social influence infinitely.Which have improved coal mine safety quotiety and productivity andis the preferred scheme for pit transports.

由红外线测距、单片机控制、声光报警、液压制动等单元组成的智能化电机车防撞系统，结构简单，与新旧电机车安装连接方便，当发生撞车危险前能够自动实现迅速而平稳停车，彻底避免煤矿井下轨道运输过程中发生的电机列车相撞事故，极大地降低了因此造成的经济损失和社会影响，提高了煤矿的安全系数和生产效率，是煤矿井下大巷轨道运输的首选方案。

haizhou open-pit mine is china's largest opencast coal mine.

小 海州露天矿是我国最大的露天煤矿。

The fossil snake bones were found in an open-pit coal mine , along with its prey, which included turtles and crocodiles.

蛇的骨骼化石在一个露天煤矿里被发现，一起发现的有它捕食的动物，包括海龟和鳄鱼。

Basing on the carefully analysis of the theoretical technoledge project practice in domestic and foreign open pit coal mines,applying the theory such as ecology mining penology farming and forestry the conservation of soil and water ,and environmental project etc.

本文在认真分析、总结国内外露大煤矿土地复垦的理论和工程实践的基础上，应用生态学、农林学、土壤学、采矿学、水土保持、环境工程等多门学科的理论，详细论述了露天煤炭开采对区域环境的影响，提出了应用生态系统的演变规律来指导露天煤矿的土地复垦，从而实现了把复垦区水土保持和土地最终利用方向有机结合。

Behind us is the Number One Pit of Kailuan Coal Mine.

我们身后就是开滦煤矿的一号井。

Self-developed a variety of small hydraulic pump station and manually moving fast or columns such as product, is coal mine pit operations and the importance of safety in production equipment and tools, with a safe and reliable high-performance mobile and flexible low-light characteristics of simple well received by the vast number of coal mine workers welcome.

自行研制的各种小型液压移动泵站及手动快速升柱器等产品，是煤矿井下支护作业和安全生产的重要装备与工具，具有高效低耗安全可靠移动灵活轻便操作简单的特点，深受广大煤矿工作者的欢迎。

Good results received in Yimin Open Pit Coal Mine shows that GIMS is very practical and easy to operate and the coal bed geological model developed by GIMS is accurate and reliable.

系统在伊敏河露天煤矿得到了较好的应用，表明系统具有实用性强、易于操作、模型准确可靠等特点。

At the same time, the stripping ratio control measours of new design open-pit and producted mine are put forward. Minging more coal with little overbueden under ensureing correspond overbueden and mining coal. This is beneficial for modern surface mining.

同时提出了新设计露天矿和生产露天矿生产剥采比的控制措施，在保证剥采不失调的前提下，尽量不进行超前剥离，用最小的生产剥采比，采出最多的有用矿物，这种方法对现代露天矿具有一定的指导意义。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐