煤矿

The owners asked the new workers to write letters to friends still in the old country, urging them to come to America. And they came by the hundreds of thousands to take jobs in steel factories in Pennsylvania and the coal mines of West Virginia. They worked in the lumber camps of Michigan and in the stockyards and the meat-packing plants of Chicago.

这些工厂主要求这些新移民给本国写信，敦促亲戚朋友来美国，这里有数十万个就业岗位等待着他们，他们可以在宾夕法尼亚的钢铁厂和西维吉尼亚的煤矿干活，他们也可以在密歇根州的伐木厂和芝加哥肉牛养殖加工厂干活。

Africa does have huge oil and mineral reserves which have been eyed by America and China.

非洲有着丰富的原油和煤矿资源储存，美国和中国都对其虎视眈眈。

Coal is the major source of energy in China but mining accidents continue to claim thousands of lives yearly.

煤矿是中国主要的能源，但频发的矿场意外每年夺取数千条人命，无怪乎矿工都相信宿命。

Prime Minister Wen Jiabao, a mining engineer by training, has demanded China improve conditions for Chinese coal miners.

温家宝总理，一名采矿工程师培训，要求中国改善条件，中国的煤矿工人。

Prime Minister Wen Jiabao, a mining engineer by training, has demanded China improve conditions for Chinese coal miners.

总理温家宝，采矿工程师培训，改善条件，中国已要求中国煤矿工人。

In China, mining geology has undergone 50 years for its founding, developing andsystematization.

中国的矿井地质工作历经50年的创业、发展和完善，已成为煤矿建设生产中无可替代的一门边缘和应用学科。

This paper combining with drilled data of coal mine, design the application of mixed data modelling system which is fit for the mining geology spatial data to be expressed. Provide the idea that the general process of geological modelling and the visualization processes of typical construction.

本文结合煤矿钻探数据，设计了适用于地质矿山三维可视化空间数据表示的混合数据模型系统，研究了地质体三维可视化建模的一般流程和典型构造建模的处理方法。

In view of the fact that the products of coal spontaneous combustion could obtain the action process and mechanism for coal spontaneous combustion, twelve pieces of coal samples at different layers and workfaces in six coal minings of Shendong mining area were analyzed by infrared spectrum.

针对煤氧化自燃过程生成的气体产物能够判断煤自燃的反应过程和机理以及在不同温度下生成的标志性气体可以判断煤自燃的严重程度的问题，采用红外光谱实验手段对神东矿区6个煤矿不同层位和不同工作面的12个煤样进行了研究。

Many coal minings'production is over load, and the industrial accidents often happen, large amount of the peasant miners'life who works at exploit and excavation have been threatened.

许多煤矿超负荷生产，生产事故层出不穷，大量劳作于采掘一线的农民矿工的生命安全受到巨大挑战。

Wools, furs, hides, and rugs are exported, and there is some coal mining.

出口羊毛、毛皮、兽皮和毛毯。有一些煤矿。

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