carbons碳质物
carbonn.碳;复写纸;复本;碳精棒
carbon fihre碳纤维
Carbon felts碳毡
carbon shale碳页岩
carbon paste碳糊,碳膏,碳胶
carbonizaion碳化
carbon paper复写纸
carbon sleel碳钢
carbon value碳值
carbon grain碳粒
carbony iron羰基铁