我们在冲洗过程中,当通过安全灯发现有未感光的“白卷”时,稍经处理,仍可再用。首先将胶卷上的显影液冲净(约15分钟);再用吸过蒸馏水的棉花团将“白卷”上的水珠擦去;接着双手捏住胶卷的两头,让风扇吹干,卷入护纸即可。但要注意,此胶卷必须在1～2天内照完并冲洗完。另外, During the flushing process, we found that there was an unprocessed “white roll” through the safety light and could be reused after it was processed. First, rinse the developing solution on the film (about 15 minutes); then wipe off the waterdrops on the “white roll” with a cotton swab sucked with distilled water; then hold both ends of the film with both hands, blow the fan to dry Paper can be. But be careful, this film must be finished within 1 to 2 days and rinse finished. In addition,