炭的

Biological powdered activated carbon enhanced the growth of nitrifier by absorbed toxic or inhibitory substance.

物活性炭吸附了对硝化菌毒性和抑制物质、强化了硝化菌在炭表面。

Carburant Carburant is a appellative of every kind of additive carbon materials that are used to smelt steel,iron products.

碳剂 冶各种钢铁炭材料通称。