에 의해서 에피소드 | 2026년 6월 30일 | 폐수 처리
NRV Worm Gearbox for Small-to-Medium Sludge Scraper Drives Sludge scraper mechanisms move settled solids toward a collection point in settling tanks and small clarifiers, running at very low speed under continuous duty for years at a stretch. On the smaller scale...