carbonete碳酸盐岩carbonn.碳；复写纸；复本；碳精棒Carboniferous back-arc basin石炭纪弧后盆地Carbon Brushes for Micro Motor微小马达专用碳刷carbon dioxide gas arc welding二氧化碳气体保护焊carbon dioxide pnemnoperitoneum二氧化碳气腹carbon fiber sanding technology碳纤磨毛工艺Carbon fibre reinforced ploymer碳纤维布carbon monoxide molecular laser一氧化碳分子激光器carbon-graphite reinforcement碳-石墨增强材料carbon fiber reinforced polymer碳纤维布carbon steel/stainless steel碳钢／不锈钢