Nitrocellulose varnish A hith-gloss varnish applied to book covers. The term often used in its short form: NC varnish.是什么意思_Nitrocellulose varnish A hith-gloss varnish applied to book covers. The term often used in its short form: NC varnish.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句