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parallelogram linkage
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parallelogram linkage
Encyclopedia
工学
连杆机构
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parallelogram linkage
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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mining subsidence pit reclamation
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