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(394), B(140), C(513), D(234), E(0) #2887341
統計: A(394), B(140), C(513), D(234), E(0) #2887341