11.某一引擎汽缸,其燃燒室容積為 50CC,活塞位移容積為 450CC,則壓縮比(Compression Ratio)為
(A) 8
(B) 9
(C) 10
(A) 8
(B) 9
(C) 10
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統計: A(1), B(3), C(10), D(0), E(0) #2323400
統計: A(1), B(3), C(10), D(0), E(0) #2323400