mine gas coal的意思|示意

In this paper, hazard theory is combined with coal mine gas accident and coal mine hazard is put forward, analyzing gas accident hazard by the three class of hazard.

本文将危险源理论和煤矿瓦斯事故相结合，提出煤矿危险源这一全新概念，用三类危险源思想来分析瓦斯事故危险源。

At least 14 miners are trapped underground at a coal mine in Mexico following a gas explosion. It happened in the northern state of Coahuila.

墨西哥北部科阿韦拉州一座煤矿发生瓦斯爆炸，造成至少14名矿工被困井下。

Fuzzy comprehensive evaluation method was applied to build a fuzzy mathematic model to analyze mine coal and gas outburst hazard.

采用模糊综合评价方法建立模糊数学模型，对矿井煤与瓦斯突出危险性进行分析。

The frequent gas and coal dust explosion accidents in coal mine is a big threat to the life and property.

我国煤矿频繁发生的瓦斯、煤尘爆炸事故给人民的生命和财产安全带来了严重的威胁。

Through nonlinear fitting on clastic coal core gas desorption laws in Jiedong mine, compared each desorption model of the loss to the loss of volume by calculation methods.

通过对街洞矿区碎屑状煤芯瓦斯解吸规律的非线性拟合，对各解吸模式的损失量与用计算方法所求得的损失量进行了比较。

Pressure mounted Monday to launch a search for 29 men trapped in a New Zealand coal mine for three days since a gas explosion, but the mine remained too dangerous to enter.

到周一为止，自新西兰煤矿毒气爆炸已经过去三天，关于营救被困29名矿工的舆论压力不断增加，但由于矿井内毒气太重而无法施救。