Flexural strength and flexural modulus of CF/BPR composites increase when the surface of carbon fiber is treated, but impact strength of CF/BPR composites decreases slightly.是什么意思_Flexural strength and flexural modulus of CF/BPR composites increase when the surface of carbon fiber is treated, but impact strength of CF/BPR composites decreases slightly.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句