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

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統計: A(219), B(496), C(66), D(232), E(0) #3003229

詳解 (共 2 筆)

#6307447
哪一個元件能確保燃油噴射系統中的高壓燃油...
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#6179160
燃油噴射系統中的排放止回閥可以保證在兩次噴射之間保持高壓燃油管路中的殘餘壓力。
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