“煤渣”造句

这种材料有不同的名称,如灰、炉渣、煤渣或矿渣.
This material is variously termed ash, clinker, cinders or slag.

在重新点火前先把煤渣耙出来.
Rake out the cinders before you start a new fire.

她进来时,我正在筛煤渣.
I was sifting the cinders when she came in.