...因停采后即在短时 间内经由围岩的落磐而回填（当然亦有需封井或以栅欄围堵，避免人畜误落空洞内）； 长壁法（long-wall mining）则容易在开采时或停采后发生落磐，特别是在较浅层的 矿脉处常成为潜在地盘下陷的诱发因子。
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long wall mining 长壁采煤
a long-wall mining method 长壁式开采法
long wall mining in abroad 国外长壁开采
incline long wall mining coal 倾斜长壁
long wall end mining 长端壁采矿方案
long-wall combined-mining face 长壁综采工作面
Longwall mining is our and Europe’s main mining means.
长壁开采是我国和欧洲产煤国的主要开采方法。
参考来源 - 浅埋煤层顶板结构灾害机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
The main technology to realize high production and high efficiency in abroad is fully mechanized long-wall mining for a single seam or room-and-pillar mining.
国外高产高效矿井建设是以单一煤层长壁和房柱式综合机械化为主要开采技术。
Through optimizing, we suggested the measure of bypass draw off system which can solve draw off problem effectively. This suggested a new mode at inclined long wall mining.
通过进行设计优化，提出采用旁路放水系统放水方案，可有效解决工作面初采的放水问题，为倾斜长壁开采的综放工作面放水方式提出新模式。
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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