coalface

形容词：

形容词: coalescent

更多词形：

形容词: coalescent | 名词: coalescence | 动词过去式: coalesced | 动词过去分词: coalesced | 动词现在分词: coalescing | 动词第三人称单数: coalesces |

单词例句：

Aimed at the shortcomings of coalface passing through fault as low speed, low efficiency and low-quality coal and so on, a new technique was suggested.

摘要针对采煤工作面过断层速度慢、效率低且影响煤质等缺点，提出工作面快速无矸石过断层清洁开采技术。

Visitors can dress up in jumpsuits and hard hats and descend in a creaking elevator to the coalface 300 metres below the surface.

参观人员穿上工作服和安全帽，乘坐吱嘎直响的升降梯下降到地面300米以下的产煤面。

Effect of shearer'working position to noise on coalface

采煤机工作位置对工作面噪声的影响

Therefore, the location of terminal line of the coalface should be put at the place where main roof periodic weighting process has already done.

因此，工作面终采线的位置，应尽可能确定在老顶岩层周期来压完成之后。

It has been proved by the field experiment that the method of rotary radial jet discharging gas accumulating in upper corner of coalface is really safety, dependable, economical and validly.

试验表明，旋转径向射流可安全、可靠、经济、有效的排放上隅角积聚瓦斯。

The length of the first coalface in a mining-district controls the distances of first weighting and periodic weighting of the main roof.

在采区范围内首采工作面的长度控制着老顶的初次来压步距和周期来压步距。

Keywords system dynamics;fully mechanized coalface;simulation;analysis;

系统动力学;综采工作面;仿真;分析;

Research into Principle and Method on Readjusting High Angle Full-mechanized Coalface to False forward Slant

大倾角煤层综采工作面调伪仰斜原理与方法

complete fully mechanized coalface equipment

采煤综合机组