self-doctoring roll是什么意思

中文翻译自动刮刀辊

网络释义

1)self-doctoring roll,自动刮刀辊2)automatic scraper,自动刮刀3)doctor roll,刮刀辊4)knife-roll;knife over roll,刮刀-辊筒5)roll doctor,辊筒刮刀6)roller cleaning knife,洗墨辊刮刀