查询词典 coal miner

By analogue simulating test, the paper discusses fully-mechanized sub-level with dirt band, the top-coal caving and drawing property , the caving procedure and drawing law, and the dirt band critical thickness related to complex structure thickness seam of 2429S.

主要以实验室相似模拟实验为主，对含夹矸复杂结构厚煤层中的2429S综放工作面含夹矸顶煤的冒放性、放煤工艺及放出规律、夹矸层极限厚度的确定等问题进行了论述，并指出了含夹矸顶煤的活动规律和放顶煤开采的技术措施。

In this paper, the composition and control principle of the automation control system of main drainage pump used in coal mine are introduced.

介绍了一种矿井中央泵房主排水自动化控制系统的组成和控制原理。

This design basis of the provided by the bureau surveying place normal and the largest yield,by "Coal Mine Safety Regulations" and the design specification,atter a scientific calculation and analysis,carry on the choice in view of the drainage pump and the discharge pipe to calculate and to verify.

根据局地测处提供的正常和最大涌水量，按《煤矿安全规程》和设计规范的要求，经过科学的计算和分析，针对排水泵和排水管进行了选择计算并校验。

Key words :coal mine safety ; vacuum pump ; gas drainage ; generate electricity

主题词：煤矿安全；真空泵；瓦斯抽放；发电

High-pressure soft-start and PLC are widely used in coal mine drainage to the electronic control system.

高压软启动和PLC以广泛用于煤矿排水的电控系统中。

To meet the requirement of small diameter and shallow hole drilling for gas drainage in coal tunnel, the ZDY1200L track-mounted hydraulic tunnel drilling rig has been developed.

为适应当前煤矿井下小直径浅孔瓦斯抽放钻进的需要，研制了ZDY1200L型履带式全液压坑道钻机。

In the process of draining gas in gob area of a coal mine, the stability of surface drilling well and gas drainage effect were improved by studying different factors affecting the drainage effect and the term of service with the method of numerical simulation of computational fluid dynamics and field test.

在应用地面钻井抽采矿井采空区瓦斯的过程中，为了提高地面钻孔的稳定性及瓦斯抽采效果，采用CFD数值模拟和考察试验的方法研究了影响地面钻孔抽采效果和服务期限的不同因素。

Has in its arsenal the set of the tools, which give possibility to imitate drawing by brush, by chalk, pencil, coal and so forth artweaver it supports work with the layers and popular sizes TIFF, TGA, JPEG, GIF, BMP, PNG; a large quantity of effects supports.

已在其武库中的一套工具，其中给予的可能性模仿绘图刷，粉笔，铅笔，煤炭等等artweaver它支持的工作与层的大小和流行的TIFF ，热重分析时， JPEG ， GIF和BMP ，以及巴纽；大批的影响，支持。

Has in its arsenal the set of the tools, which give possibility to imitate drawing by brush, by chalk, pencil, coal and so forth artweaver it supports work with the layers and popular sizes TIFF, TGA, JPEG, GIF, BMP, PNG; a large quantity of effects supports.

在其核武库的一整套的工具，使有可能去模仿借鉴的刷子，由粉笔，铅笔，煤炭等等artweaver它支持同层次和规模流行的TIFF ，大动脉转位， JPEG压缩，以及GIF ， BMP和巴布亚新几内亚；大量的支持作用。

Has in its arsenal the set of the tools, which give possibility to imitate drawing by brush, by chalk, pencil, coal and so forth artweaver it supports work with the layers and popular sizes TIFF, TGA, JPEG, GIF, BMP, PNG; a large quantity of effects supports.

已在其厂的全套工具，让被刷的可能性模仿绘画，粉笔、铅笔、煤炭等artweaver它支持同层和民众TIFF文件大小、热、的JPEG、GIF型、骨、巴纽；大批的支持作用。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48