The machines use products out of sand, stone, coal ash, cinder, coal gangue, ore tailings, ceramic, perlite and other industrial wastes processed into a variety of new wall materials.

本机所出产品可采用砂、石、粉煤灰、煤渣、煤矸石、尾矿渣、陶粒、珍珠岩等工业废料加工成各种新型墙体材料。

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Take new built mine seam for example, expound the advantages of leaving roadway fashion of concrete coal refuse cinder cement stone wall, and make analysis of technical economic.

以典型的新建煤矿煤层为例，阐述采用水泥煤矸碴胶泥砌筑石墙留巷方式的优点，并进行技术经济分析。

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He appears to be standing sentry in deep shadows in front of a cinder-block wall.

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