coalface

过去分词：

动词过去分词: coalesced

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：

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 position and state of the main roof above the terminal line of the coalface nearby the rises affect the magnitude of the peak abutment pressure and the difficult extent of the rise maintenance.

上山附近终采线上方老顶岩层的位态影响着煤柱支承压力的大小和上山维护的难易程度。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。

Simulation and Analyses of a Shearer Vibration in the Coalface Advance

采煤机沿工作面推进方向振动的模拟研究

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

Current Situation and Tendency of Development for Fully Mechanized Coalface Scraper Conveyors

综采工作面刮板输送机的现状和发展趋势

The distribution of induced stress around coalface and tunnels is researched by the measurement of induced stress and numeric value simulation.

然后通过次生应力测量及数值模拟等手段,确定采场及巷道周围次生应力的分布情况。

Keywords unit method;upper corner;fully mechanized coalface;rotary radial-jet;

关键词单元法;上隅角;综采工作面;旋转径向射流;

To solve strata pressure control of shallow coal seam with thick sand and thin bedrock, in-situ observation was carried out in Baoshan mine 6101 fully mechanized coalface, which is the first coalface.

摘要为解决厚砂层薄基岩浅埋煤层矿压控制问题，对宝山煤矿6101综采工作面（首采）进行现场实测。

Numerical simulation research of reasonable width of coal pillars in fully mechanized sublevel caving coalface with steep gradient

大倾角综放面合理区段煤柱宽度数值模拟研究