Carboneil卡尔博内伊carbonn.碳；复写纸；复本；碳精棒carbon and nitrogen sources碳氮源Carbon spring steel wire LT碳素弹簧丝carbon dioxide assimilation二氧化碳同化作用carbon monoxide sense stuff一氧化碳敏感材料Carbon compositing coatings复合碳材料carbon-ceramic composites碳陶瓷复合材料carbon-containing pellets内配碳球团carbon block stacking crane炭块堆垛天车Carbon Vane for Brake Pumps汽车刹车真空泵专用碳精叶片carbon reserves measurement碳储量计量