印晒照片的器械.外型为木板或金属板制成的不透光的长方形箱子，内装光源，光源上置乳白或磨砂玻璃片，箱面开口处平镶透明玻璃片并设有活盖.印相时将底片和印相纸对好，底片在下，印相纸在上，合上活盖，灯箱内红灯灭白灯亮，印相纸受光，曝光完毕取出印相纸，经过显影、定影、水洗即成1∶1的照片. Photo printing equipment. Appearance of wood or metal plates made of opaque rectangular box, built-in light source, light cream or frosted glass on the set pie...