takeoff weight

例句：

1. 1. The plane's takeoff weight is 50 tons.
   这架飞机的起飞重量是50吨。
2. 2.The pilot must check the takeoff weight before taking off.
   飞行员在起飞前必须检查起飞重量。
3. 3. The aircraft has a takeoff weight of 100 tons.
   这架飞机的起飞重量为100吨。