您要查找的是不是：
- machinery of coal mine 煤矿机械
- The discovery of coal mine in the area enriched the people there. 这个地区煤矿的发现使得那里的人民富裕起来了。
- We are the point manufacture of coal mine flameproof equipment and recommended by China Machinery Industry Association. 公司资质齐全，是煤炭机械工业协会推荐的煤矿防爆设备定点生产单位。
- He tried to regularize the management of coal mines. 他试图将煤矿的管理系统化。
- There used to be a lot of coal mines here, usedn't there? 这儿从前有过很多的煤矿,对吗?
- This paper gives a numerical method of coal mine hoist jour. 文章给出了矿井提升机行程的数字检测方法和提高行程检测系统可靠性的有效方法。
- The subsidence is one form of coal mine secondary of the geological calamity. 摘要采煤塌陷为煤矿山次生的地质灾害形式之一。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- The actuality of monitoring system of coal mine in china is introduced. 介绍了我国煤矿监控系统的现状,并由此提出了一种基于电力线通信的煤矿综合监控系统。
- To guide and administer qualification certification of coal mine directors. 指导和管理煤矿矿长资格证颁发工作。
- Cheer fulness oils the machinery of life. 欢欣是生命的润滑油。
- The machinery of the law works slowly. 法律诉讼途径历时缓慢。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- There used to be a lot of coal mine in the south, but many of them have been closed or are about to be closed. 过去,在南方曾有许多煤矿,但是它们中的许多已经被关闭,或即将关闭。
- Many new things found useful in the home have spun off from the machinery of space travel. 家庭用的许多新东西已作为宇航机械的副产品被生产出来。
- The space-time variation of the typical elements content in covering soil of coal mine reclamation area. 矿山复垦土壤典型元素时空变化研究。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- Furthermore, the utilisation of coal mine gas for energy production conserves other energy resources. 此外,利用矿井瓦斯产生能源保护了其他的能源资源。
- 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.
- Tianjin Mixing Machinery of Tianjin Dingsheng Group. 天津鼎盛集团天津搅拌机厂
