Carboninn.卡尔博宁(在意大利；东经 12º13' 北纬 46º37')carbonn.碳；复写纸；复本；碳精棒carbonblack master batch炭黑母炼胶Carbonized Cortex Moutan丹皮炭carbon and oxygen mixing碳氧调配carbon thermal reduction碳热还原carbon dioxide pollution二氧化碳污染carbon tool steel reamer碳素工具钢铰刀carbon negative material碳负极材料carbon containing pellet含碳球团carbonylation of alcohol乙醇羰化carbon welding rod steel碳素焊条钢