Carbonel卡尔博内尔carbonn.碳；复写纸；复本；碳精棒carbon nano - peapod碳纳米豆荚carbon collector strip碳质集电弓条carbon contact pick up碳触点拾音器carbon ion irradiation碳离子放射carbon content of coal燃煤含碳量carbonlzation industry焦化行业carbon residue content残炭含量carbon - carbon bond碳-碳键Carbon in pulp process炭浆法carbonitriding-layer碳氮共渗