constantly acting load

例句：

1. 1. The engineer calculated the exact acting load on the bridge.
   工程师计算了这座桥上精确的动载。
2. 2.The heavy equipment was causing an acting load on the ground.
   重型设备正在给地面造成一个行动负荷。
3. 3. The actor's performance was a significant acting load for the audience.
   演员的表现对观众来说是一个重要的行动负荷。