“烟煤”造句

在全国所有的工人中,可能烟煤矿工不满的理由最充分.
Of all the workers in the country bituminous miners probably had best grounds for discontent.

烟煤一般被视作一种质地均匀一致的产品.
Bituminous coal is often treated as a consistent and homogeneous product.

是一家专业生产销售烟煤无烟煤的厂家.
Is a professional production of anthracite coal sales of the manufacturers.

• #烟煤