carbonarn.烤面包加干酪沙司
carbonn.碳;复写纸;复本;碳精棒
carbonyl dust core炭粉铁芯,羰铁粉芯
carbonizing of gas煤气渗碳
Carbon particulate碳微粒
carbon arc welding碳弧焊
carbon microsphere碳微粒
carbon chain fibre碳链纤维
carbon circulation碳循环
carbonitrided case渗碳氮层
carbon plate shelf碳板架
Carbon cycle model碳循环模式