基本解释定碳仪词组短语短语Carbon andSulfur Determinator 碳硫分析仪联合测定仪carbon n determinator 碳测定仪carbon -sulfur determinator 碳硫测定仪Carbon and Sulphur Determinator 碳硫仪High Frequency Infrared Carbon -Sulphur Determinator 高频红外碳硫仪专业释义经济学碳测定仪