The agent is best used in flexible PVC food contact packaging film as a combined lubricant and antifogging agent for semi-rigid and plasticized PVC.是什么意思_The agent is best used in flexible PVC food contact packaging film as a combined lubricant and antifogging agent for semi-rigid and plasticized PVC.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句