My father works in a coal mine.

我的父亲在煤矿工作。

A coal mine is a leaden theme to talk about.

煤矿是一个沉重的主题。

They are ventilating the sap of a coal mine.

他们正在使煤矿坑道通风.

The company operates two factories and a coal mine.

那家公司经营两家工厂和一个煤矿。

Smoke rises over a coal mine near Pingru in Shanxi Province.

山西省平鲁煤矿扬起漫天风尘.

This movie was based on a coal mine town in Virginia State. People living in this town made their living by coal mining.

这是一部发生在维吉尼亚州的煤矿小镇的故事，所有村民皆以地底下的煤矿赖以为生。

The death toll from a coal mine blast in northern China climbed Sunday to 74.

在中国北方发生的煤矿爆炸所导致的死亡总数周日攀升至74人。

Coal Methane have long been known to be risky for exploiting a coal mine, it is considered to be a viable source of energy in recent ten years or more.

煤层甲烷长期以来认为是对采煤工作的危害，只是近十多年来才被认为是一种潜在的能源。

An open mine, especially a coal mine, whose seams or outcrops run close to ground level and are exposed by the removal of topsoil and overburden.

露天矿产，尤指煤矿，它的煤层或露头接近于地表，除去表土和覆盖层即可发现。

The article puts forward a coal mine safe information system by techniques of computer and networks.

本文介绍了一套应用计算机技术以及网络化技术开发的煤矿安全信息系统.