The results showed that TPV had good properties with NBR of high acrylonitrile content when 1.5 phr of sulfur was used.是什么意思_The results showed that TPV had good properties with NBR of high acrylonitrile content when 1.5 phr of sulfur was used.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句