long-wall face 长壁工作面
heavy duty long wall face 重型工作面
remotely operated long wall face 遥控长壁工作面
long wall face intermission advance 长壁间隔式推进
long wall stopping face 长壁回采工作面
long-wall combined-mining face 长壁综采工作面
It's easy and useful to control dust and gas with wind-cloth curtains in the bringing back long wall face.
走向长壁后退式开采工作面用风帘控制粉尘和瓦斯简单易行，能够解决生产中的实际问题。
When long wall mining to the dip in fully-mechanized coal winning working face is inclined area, we may can't use existing drift draw off water.
当倾斜长壁开采的综放工作面初采范围处于向斜构造区，造成初采放水无法利用已有巷道形成自流放水，必须考虑动力排水或其他的放水方式。
During the drivage of main-gate in long-wall face with fully mechanized caving mining, the gate is hard to support due to its loose and broken roof, large cross-section and long span.
在综采放顶煤工作面顺槽掘进过程中，由于顺槽煤层顶板松动破碎，并且顺槽采用矩形断面，顶板跨距较大，不利于巷道支护。
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