In this paper,such effect was investigated by nonlinear creep tests of poly(methyl methacrylate)(PMMA) under different temperatures.是什么意思_In this paper,such effect was investigated by nonlinear creep tests of poly(methyl methacrylate)(PMMA) under different temperatures.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句