methylvinyl的音标：methylvinyl的英式发音音标为：['meθɪlvɪnɪl]methylvinyl的美式发音音标为：['meθɪlvɪnɪl]...

The effect of CeO _ 2 on the thermal stability of methylvinyl silicone rubber was researched.研究了氧化铈对硅橡胶热老化性能的影响....

甲乙烯...