But the compatibility between nano-meter particles and PVC is not very good in nano-meter scale.Therefore the toughening modification mechanism is studied more thoro...是什么意思_But the compatibility between nano-meter particles and PVC is not very good in nano-meter scale.Therefore the toughening modification mechanism is studied more thoro...在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句