anthracite造句
The organic affinity of trace elements decreases further in
anthracite.
到无烟煤阶段,有机态微量元素含量进一步降低.
Anthracite char has poor pore structure and small specific surface area.
无烟煤焦分支孔贫乏,比表面积很小.
Taixi
anthracite with high quality calcining is also suitable raw material.
宁夏太西煤只要控制好煅烧质量,也是生产微孔炭砖的优质原料.