Which one of following statement is not true concerning the suitable sites of the direct acting relief valve and the pilot operated relieve valve?（）
- Athe direct acting relief valve is used for controlling lower flows and pressure
- Bthe pilot operated relief valve is used for controlling higher flows and pressure
- Cthe pilot operated relief valve is used for controlling lower flows and pressure
- Dthe controlling accuracy of direct acting relief valve is worse than that of the pilot operated relief valve