“煙煤”造句

在全國所有的工人中,可能煙煤礦工不滿的理由最充分.
Of all the workers in the country bituminous miners probably had best grounds for discontent.

煙煤一般被視作一種質(zhì)地均勻一致的產(chǎn)品.
Bituminous coal is often treated as a consistent and homogeneous product.

是一家專業(yè)生產(chǎn)銷售煙煤無煙煤的廠家.
Is a professional production of anthracite coal sales of the manufacturers.

• #煙煤