brake metering valve

例句：

1. 1.The brake metering valve is responsible for controlling the braking system.
   制动计量阀负责控制制动系统。
2. 2.The brake metering valve is crucial for maintaining a safe driving environment.
   制动计量阀对于保持安全驾驶环境至关重要。
3. 3.During the brake test, the technician needs to adjust the brake metering valve to ensure smooth braking.
   在刹车测试期间，技术人员需要调整制动计量阀以确保平稳刹车。