"A heat exchanger for cooling engine oil by fuel flow or airflow." what is the component?
A.oil heater; B.oil pump; C.oil scavenge valve; D.oil cooler;正确答案D
"A heat exchanger for cooling engine oil by fuel flow or airflow." what is the component?
A.oil heater; B.oil pump; C.oil scavenge valve; D.oil cooler;正确答案D