带滑动副发条的发条

sliding attachment mainspring crank hammer with sliding cylinder sliding valve with balancing plate attachment resilient mainspring mainspring disc tapered mainspring reverse mainspring sliding mainspring catch piece coil with sliding contact percussor with sliding weight oximeter with recording attachment drill unit with fertilizer attachment motor mower with binder attachment traction frame with pulley attachment lathe attachment with slip joint lathe attachment with straight handpiece overhead sling with balancer attachment mainspring winder