阿摩線上測驗
37.The ratio of cylinder volume to clearance volume for an internal combustion engine is defined as:
(A)Compression ratio
(B)Expansion ratio
(C)Clearance ratio
(D)Firing ratio
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統計： A(338), B(76), C(102), D(19), E(0) #1333603
統計： A(338), B(76), C(102), D(19), E(0) #1333603
