简述用益物权的法律特征。

A. provide energy to operate the engine between power impulses
B. neutralize the primary inertia force of the crankshaft
C. reduce the shock of starting loads on the main bearings
D. prevent the engine from operating at critical speed

A. 物体被限制运动
B. 主动力
C. 平衡力
D. 重力

A. 殷庠
B. 泮宫
C. 辟雍