surface mining methods的意思|示意

Moreover, there are some other influencing factors such as: thick loose bed, surface mining degree, impel speed of working face, coal mining and roof manage methods, mining procedure and time.

此外，厚松散层、地表采动程度、工作面推进速度、采煤方法与顶板管理方法、开采程序及时间因素等对采场覆岩空间结构均有一定影响。

The impact on ground surface caused by cemented filling method when used for mining steeply inclined orebody is different from that by other methods and has its own law.

胶结充填采矿法开采急倾斜矿体对地表的影响与其他采矿方法不同，有着自己的规律。