平行力量装置-工程实验室培训系统
模型没有。HV-EXP1434
(Simple supported beam typesupported at its 'ends) Forverification of condition of equilibrium of parallel forces, lawof lever and forceps on beam etc. consisting of twocompression thrust type 10kg. Tubular spring balancesfixed on wooden polished board, a wooden bar with steelback plate. Complete with stirrups, hooks and two 1kg.weights..
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