load control of controllable pitch propeller

例句：

1. 1.The aircraft has a sophisticated load control system to ensure safe flight.
   这架飞机有一个复杂的负载控制系统，以确保飞行安全。
2. 2. The engineers carefully monitored the load control during the installation process.
   工程师们在安装过程中仔细监控了负载控制。
3. 3.The load control system was designed to optimize fuel efficiency.
   负载控制系统被设计来优化燃油效率。