static load of freight cars

例句：

1. 1. The weight of the car is its static load.
   汽车的重量是它的静态负载。
2. 2.The new bridge has a static load of 50 tons.
   这座新桥的静态负载为50吨。
3. 3. The load on the truck was mainly due to the static load of the cargo.
   卡车上的负载主要是由于货物的静态负载造成的。