21. The discharge ________ in the fuel ejection system could ensure that the residual
pressure is maintained in the high-pressure fuel line between injections.
(A) needle valve
(B) check valve
(C) stop valve
(D) safety valve
詳解 (共 1 筆)
未解鎖
哪一個元件能確保燃油噴射系統中的高壓燃油...