n.渗碳剂，增碳剂，碳化剂...

It has been commonly adopted to use complex carburant in the ladle as a supplementary measure.在包内使用增碳剂作为一种补充手段已被普遍采用....

carburant的音标：carburant的英式发音音标为：['kɑ:bjʊrənt]carburant的美式发音音标为：['kɑbjʊrənt]...