We removed the loose paint with a scraper.我们用刮刀将剥起的漆铲去.From time to time a scraper is passed through the pipeline to remove this corrosion.不时用清管器在油管内穿过,以清除这种锈蚀.Scraper works in a repetition state and should be shifted fr...
The vibrating centrifugal dehydrator and scraper discharge centrifugal dehydrator are usually used in coal mine industry.振动离心脱水机与刮刀卸料离心脱水机是煤矿常用的两种离心脱水机.From time to time a scraper is passed through the pipeline to remove...