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性和抑制的物质、强化了硝化菌在炭表的长。

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

増碳剂 冶炼各种钢铁品増炭材料的通称。

A minute afterwards,Hunca Munca, his wife,put her head out ,too;and when she saw that there was no one in the nursery, she ventured out on the oilcloth under the coalbox.

过了下，亨卡忙卡，他媳妇儿，也把头探出来，她看到幼儿室里没有人，就大着胆子走到炭箱子下铺的油。