单选题In order to maintain a constant outlet water temperature of 80-85℃ from the engine, a three-way valve is installed（）Aat the jacket cooler outlet to control the flux through the engineBat the jacket cooler outlet to control the flux through the coolerCat the engine outlet to control the flux through the engineDat the engine inlet to control the flux through the engine
单选题
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
参考解析
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