烟煤无烟煤
Bituminous and Anthracite
多介质过滤器+超滤+反渗透
multi-media filter plus ultra-filtration plus reverse osmosis
多介质过滤器反洗
reverse wash of multi-medium filter
高变质无烟煤
high metamorphosed anthracites
High-metamorphous Anthracite
high-metamorphous anthracites
peranthracite
内外生殖器无器质性病变
no organic pathological changes to internal or ext
无烟煤煤气化
gasification of anthracite