You searched for: load frame – lever arm: (Engelska - Kinesiska (förenklad))

a common actuation method is that the lever arm is actuated by a metallic rolling ball.
一种常见的驱动方法是使用金属滚球驱动杠杆臂。

a common actuation method is that the lever arm is actuated by a metallic rolling ball that changes position based upon gravity and the resultant position of the buoyant float housing.
常见的驱动方法是使用金属滚球驱动杠杆臂，而金属滚球会在重力的作用下改变位置（与由浮力的浮子外罩的位置变化一致）。