【化】 转鼓真空过滤干燥器

washing machine drum

rotating drum

steam trap【动力】;water knockout drum【油气】;water knockout trap【油气】

rotary haymaker (rotary-drum rake and tedder) haymaking (haying)

tin-coated drum

split drum mixer【建】

hand crab (drum winch)

indexing-drum machine【机】