radiator water level

例句：

1. 1. The car'sradiator water level needs to be checkedregularly.
   汽车的散热器水位需要定期检查。
2. 2. Theengine's coolant temperature is criticalfor maintaining the radiator water level.
   发动机的冷却液温度对于保持散热器水位至关重要。
3. 3. The mechanic adjusted the radiatorwater level to ensure optimal cooling performance.
   技师调整了散热器水位，以确保最佳的冷却性能。