They work with remote control devices that change the direction, position and speed of a German-made cutting machine that slices back and forth along a 300-metre-wide coal face.
他们操作的遥控装置可以改变截煤机的方向、位置和速度，这台德国产的截煤机可以沿着一道300米宽的煤面来回进行切割。
During conduct quantitative express to mechanics nature of work face coal, cutting strength is the most dependable comprehensive norm.
对工作面煤体的力学性质进行定量表征，抗截强度是最可靠的综合性指标。
The heart rate and energy metabolism rate of shearer operators and prop-setters during labour at coal face are measured at work site.
对机械化采煤工作面的采煤机司机和支柱工的劳动心率和能量代谢进行了现场实测。
The paper emphatically analyses the interaction between the wall stress characteristic and coal getting by impact on the longwall face, proposes the work pattern of coal breaking by impact.
看重分析了长壁采煤工作面煤壁应力特点和冲击劈裂式采煤的相互作用关系，提出了冲击破煤的作业方式。
This will have important application and reference value for the support of digging work face in sub-seam under very close and close coal seam.
这对极近、近距离煤层下分层掘进工作面的支护具有重要的应用和参考价值。
This system designed forecast and guard against measures on the work face before mining, same measures also projected the thickness of coal alley gas and the possibility of gas pop out.
该系统对煤矿开采前工作面、煤巷瓦斯浓度及可能的瓦斯突出都设计了有效的预测预防措施。
At present, circle chain sawed adopts handwork and cutoff by flame under augmenting ventilation in coal work face of our country.
井下工作面圆环链主要是采用手工锯断或在加强通风条件下利用火焰割断。
This paper introduces the base demand of back and forth conveyors in fully mechanized top coal caving work face, and introduces how to decide involved size;
介绍了在综采放顶煤工艺条件下，对工作面前、后部输送机的基本要求与有关配套尺寸的确定方法；
The slope adjustment mining are analyzed. The production experience of reducing frequency of fully mechanized mining coal work-face removing is provided.
通过对综采工作面调斜回采的总结分析，为综采工作面减少搬家次数及转采提供了借鉴经验。
The slope adjustment mining are analyzed. The production experience of reducing frequency of fully mechanized mining coal work-face removing is provided.
通过对综采工作面调斜回采的总结分析，为综采工作面减少搬家次数及转采提供了借鉴经验。
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