The addition of a plasticizer may lower the melt viscosity, elastic modulus, and glass transition temperature (Tg) of a plastic.是什么意思_The addition of a plasticizer may lower the melt viscosity, elastic modulus, and glass transition temperature (Tg) of a plastic.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句