The results showed that the property indexes of ethylene-propylene rubber added powdery quartz was better than the property indexes of ethylene-propylene rubber added talc.是什么意思_The results showed that the property indexes of ethylene-propylene rubber added powdery quartz was better than the property indexes of ethylene-propylene rubber added talc.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句