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平行四边形机构
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平行四边形机构
固定平行四边形运动链中的任一杆的机构,用来产生输入杆与输出杆之间的等速转动或者连杆的平动。
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China Silk Association
China's import and export trade of agricultural products
China-Singapore Suzhou industrial park
China-Singapore Tianjin Eco-city
China's innovative entrepreneurship
China siris
China's Lunar Theme Post Office
China Smart City Forum
China Smart City International Expo
China smart city summit
China's master degree education program of project management
China's Measures for the Supervision and Administration of World Cultural Heritage
China's mining right transfer system
China's National Climate Change Programme
China Social Science Excellence
China Social Sciences Publishing House
China Social Work Research
China Society for book Review
China Society for Defense Science and Technology Information
China Society for Hydropower Engineering
China Society for Industrial and Applied Mathematics
China Society for Scientific and Technical Information
China Society for the Study of the Book of Songs
China Society in Transition
China Society of Engineering Blasting
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