19. 下列何種機構(Mechanism)屬於直線運動機構(Straight-linemechanisms)?
(A)肘節機構(Togglemechanism)
(B)平行機構(Parallelmechanism)
(C)瓦特機構(Watt’smechanism)
(D)曲柄搖桿機構(Crank-rockermechanism)
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統計: A(79), B(106), C(434), D(45), E(0) #340267
統計: A(79), B(106), C(434), D(45), E(0) #340267