查询词典 mining

It has become one of main factors that restrict development of economy and social advancement of coal mining areas.

采煤沉陷已经成为制约煤矿区经济与社会发展的主要因素。

The company is mining coal in the south of country .

该公司正在国家的南部开采煤矿。

In 2007 alone, some 3,786 coal miners died in mining accidents.

仅仅在2007年，就大约有3，786名煤矿工人死于煤矿事故。

Products are widely used in engineering, metallurgy, mining, coal, petrochemical, shipbuilding and other industries.

产品广泛用于工程、冶金、矿山、煤炭、石化、船舶等行业。

Since the 20th century, the new technology revolution, along with the coal mining technology and equipment, rapid development.

20世纪以来，在新技术革命的带动下，煤矿开采技术与装备迅速发展。

Zhengzhou Coal Mining Machinery Group Co., Ltd , Zhengzhou 450013, China

郑州煤矿机械集团有限公司，河南郑州 450013

coal is china's most important energy resource. the safety of coal mining enterprises in china has always been the focus of attention.

摘 要：煤炭是中国最主要的能源资源，我国煤矿企业的安全问题一直是社会关注的焦点。

These men work underground for 6 hours at a time, mining for coal.

这些人在地下采煤，一次要连续工作6。小时。

Since the 20th century, the new technology revolution, along withthe coal mining technology and equipment, rapid development.

20世纪以来，在新技术革命的带动下，煤矿开采技术与装备迅速发展。

Article 30 Coal mining enterprises shall exercise strict supervision, inspection and control of coal product quality.

第三十条煤矿企业应当加强煤炭产品质量的监督检查和管理。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。