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"Mechanical Parts Design Manual" This manual includes commonly used materials, data, general standards and mechanical basic standards and engineering commonly used materials in mechanical parts design, including thread, shaft, pin, welding, bonding, riveting; shaft, bearing, joint Shaft, clutch, spring, chain drive, belt drive, gear drive, worm drive, reducer, screw drive, common motor and other technical design content, the book data, standard new, practical, refined, well-organized, consult, carry Conveniently edited by Tsinghua University's 50-year-old professor of mechanical parts teaching and design. 16 open hardcover. Book price of 117.60 yuan (including postage).