In order to maintain a constant outlet water temperature of 80-85℃ from the engine, a three-way valve is installed（）<br>A:at the jacket cooler outlet to control the flux through the engine<br>B:at the jacket cooler outlet to control the flux through the cooler<br>C:at the engine outlet to control the flux through the engine<br>D:at the engine inlet to control the flux through the engine

In order to maintain a constant outlet water temperature of 80-85℃ from the engine, a three-way valve is installed（）
A:at the jacket cooler outlet to control the flux through the engine
B:at the jacket cooler outlet to control the flux through the cooler
C:at the engine outlet to control the flux through the engine
D:at the engine inlet to control the flux through the engine

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