片语
Conradson carbon residue康拉特逊残碳值
Determination of carbon residue残炭的测定
carbon residue analytic instrument残炭试验器
low carbon residue oil低焦值油
carbon residue on residuum蒸余物残炭
carbon residue test[化工]
ash carbon residue下灰残碳
carbon residue caking残碳焦化球管
MCR Micro carbon residue微残炭