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

2、But the anthracite coal increased the deal not very, the cold state strength descented is not much.
但無煙煤添加量不大時(shí)，冷態(tài)強(qiáng)度下降不多。

3、The major products is anthracite coal and bituminous coal, and so there.
煤炭產(chǎn)品主要是無煙煤與有煙煤等。

anthracite coal翻譯