炉渣

This material is variously termed ash, clinker, cinders or slag.

这种材料有不同的名称，如灰 、 炉渣 、 煤渣或矿渣。

In some cases the slag can be disposed of usefully.

有时炉渣能有用处。

Millions of tons of slag now go into building roads each year.

每年有数百万吨炉渣用于铺路。

Furnace operation was satisfactory, although the slag was viscous and difficult to tap from the furnace.

炉子的操作情况是令人满意的， 但炉渣很粘，出料比较困难。

The wind sent sparks and cinders flying.

风把火星和炉渣吹得飞了起来。