CO2 equivalent是什么意思

用法例句

It was concluded that the Ce conversion coating on Gr(f)/Al composite surface was sphere-like nano-crystalline or non-crystalline of Ce compounds.

Ce转化膜在成膜初期微裂纹不明显,但这一阶段成膜较薄,10min时膜层开始出现明显微裂纹。