凸輪機構cam mechanism平行四邊形機構parallelogram linkage共軛曲面conjugate su***ces共軛曲線conjugate curves曲柄滑塊機構slider-crank mechanism逝世點dead point自鎖self locking貝內特機構Bennetts mechanism直線運動機構straight line mechanism差動機構differential mechanism組合機構combined mechanism單向機構unidirectional mechanism換向機構reversing mechanism棘輪機構ratchet and pawl等效率equivalent force等效質量equivalent mass運動副kinematic pair運動鏈kinematic chain槽輪機構geneva gear齒輪機構gear mechanism擒縱機構escapement機械效率mechanical efficiency機械增益mechanical advantage機構mechanism機構分析analysis of mechanism機構自由度freedom in mechanism機構運動簡圖skeleton of mechanism機構準確度precision of mechanism機構綜合synthesis of mechanism壓力角pressure angle瞬心instantaneous center螺旋機構screw machanism