常見例句雙語(yǔ)例句Chemical graining the lithographic plate surface is etched to produce a fine grain by the application of a strong acid or alkali solution.化學(xué)磨版用強(qiáng)酸或強(qiáng)堿溶液在平版印版的版麪上腐蝕，造成幼細(xì)微粒表麪。Bi-metal plate Lithographic plate where the printing image area base is usually brass or copper, and the non-printing area is usually stainless steel or chromium.雙層金屬版印紋部份常用黃銅或銅爲(wèi)底層，非印紋部份常用不綉鋼或鉻爲(wèi)麪層的柯式印版。The positive-working heat-sensitive lithographic plate has a good chemical resistance, a good abrasion resistance, a high sensibility and a wide developing degree.由本發(fā)明制備的陽(yáng)圖熱敏平版印刷版具有優(yōu)良的耐化學(xué)品性能，良好的耐磨損性，高霛敏度，低膜損率以及寬顯影度。 返回 lithographic plate