Re-circulating the fuel when the engine is stopped can______.①keep the fuel at the correct viscosity ②cool the injector
A.①
B.②
C.①②
D.neither ① nor ②
正确答案:C
Re-circulating the fuel when the engine is stopped can______.①keep the fuel at the correct viscosity ②cool the injector
A.①
B.②
C.①②
D.neither ① nor ②
正确答案:C