18. Brief introduction of transfer design of brush plating experimental tire: (words: 127 16 pages: 23)

Brief introduction to the design of stone clearing yard196,000 tons/year guided belt conveyor: (word count: 18463, page number: 3 1)

20. Brief introduction of drum thickener design: (word count: 146 16, page number: 25)

218,000t/a Brief Introduction to the Design of Cleaning Screen in Silica Sand Rod Mill Equipment: (word count: 17348, page number: 28)

Brief introduction to the design of safety shutter for 222,000 tons/year quartz sand production plant: (word count: 1247 1, page number: 27)

23. Brief introduction of hammer mill design: (word count: 2 1747, page number: 34)

Brief introduction to the design of No.5 belt conveyor in 248,000 tons/year quartz sand factory: (word count: 23452, page number: 37)