39. What is the ideal intake pressure for the aspirated engines?
(A) Compression pressure
(B) Ignition pressure
(C) Ambient pressure
(D) Effective mean pressure
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統計: A(376), B(136), C(457), D(228), E(0) #2887341
統計: A(376), B(136), C(457), D(228), E(0) #2887341