longwall mining中文什么意思

长壁开采

• mining:    n. 1.采矿，采矿业，矿业。 2. ...
• longwall:    长壁法回采; 长壁工祖; 长壁工作面 ...
• advancing longwall:    前进式长壁采煤法; 前进式长壁开采

例句与用法

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1. Study on roof control in shallow seam longwall mining
   浅埋煤层长壁开采顶板控制研究
2. Application of longwall mining method in steeply inclined seam
   在急倾斜煤层中巷道长壁采煤法应用
3. Present condition of high mining height longwall mining techniques in china
   浅谈我国大采高综采技术
4. Relative location set in gas drainage gateway along strike roof of longwall mining face
   回采工作面走向顶板瓦斯抽放巷相对位置确定
5. Practices on installation technology for fully mechanized longwall mining face in deep inclined seam
   大倾角综采工作面安装技术实践

百科释义

Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice (typically 0.6?1.