(1) A fuel pressure relief valve is required on an aircraft positive-displacement fuel pump.(2) A fuel pressure relief valve is required on an aircraft centrifugal fuel boost pump.Regarding the above statements,
发布于 2021-02-18 21:51:50
【单选题】 A only No.1 is true. B only No.2 is true. C both No.1 and No.2 are true.
