... retort 蒸馏罐;马弗炉 retreating longwall 后退式长壁开采 retreating mining 后退式开采 ...
基于74个网页-相关网页
longwall retreating 后退式长壁开采
retreating g longwall 后退式长壁开采
oblique longwall retreating with underhand 伪倾斜长壁俯采
longwall advancing mining retreating 长壁后退式回采
retreating longwall
撤退长壁
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The paper discusses the application and the effects of the coal mining method with retreating-longwall flexible shield support in steeply-inclined coal seam.
叙述了走向长壁后退式柔性掩护支架采煤法在急斜煤层中的应用及效果。
youdao
应用推荐
模块上移
模块下移
不移动