Anti-curl coating Gelatine is usually used to coat the back surface of the film base to prevent curling of the film. Also called Undercoating.是什么意思_Anti-curl coating Gelatine is usually used to coat the back surface of the film base to prevent curling of the film. Also called Undercoating.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句