16.下列那種掃氣方式的效率最佳?
(A)環流掃氣 (Loop scavenging)
(B) 單流掃氣 (Uniflow scavenging)
(C)橫流掃氣 (Cross scavenging)
(D)具有掃氣閥的掃氣
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統計: A(1), B(26), C(2), D(1), E(0) #1214842
統計: A(1), B(26), C(2), D(1), E(0) #1214842