There are two general types of fuel systems, which are _______ s

  • 2023-12-26 21:43:11
  • 英语
  • 1

There are two general types of fuel systems, which are _______ systems.

A.fuel pump and boost pump

B.fuel pump and gravity-feed

C.boost pump and gravity-feed

D.either A or C

正确答案是B