molten coal slag 煤熔渣
coal slag brick [建] 煤渣砖
stone coal slag 石煤渣
coal-slag blocks 煤渣砌块
automatic coal slag removal 自动除渣
automatic coal slag removal system 自动除渣系统
Coal furnace slag 煤炉熔渣
Coal slag was added in petroleum coke water slurry to investigate its effect on the stability of the slurry.
采用气化灰渣作为石油焦浆的稳定剂，考察了灰渣对石油焦浆稳定性的影响。
The stone-coal related building materials, such as stone-coal slag, stone-coal bricks, contain high radioactive pollution.
与石煤有关的建筑材料如石煤渣、石煤砖等具有高的放射性污染。
Some mining families resorted to scavenging for coal on slag heaps, a desperate move as most of the "slag" was very dangerous and liable to tip.
一些矿工家庭靠捡矿渣堆中的煤块解燃眉之急，这是一个绝望之举，因为大多数“矿渣”十分危险，极易倒塌。
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