carbonoidn.类碳型
carbonn.碳;复写纸;复本;碳精棒
carbon thermal reduction method碳热还原法
carbon sequestration management碳汇管理
carbon fibre reinforced plastic碳纤维增强塑料
carbon steel corrosion in soils碳钢土壤腐蚀
carbon fiber reinforced plastic碳纤维增强塑料
Carbon and Sulphur Determinator碳硫仪
carbon specially used in liquor酒类专用炭
carbon-fiber textile concrete碳纤维布混凝土