阿摩線上測驗
4. Crankcase and cylinder jackets are separated from each other by a partition, which incorporates
the ____________ through which the piston rods pass
(A) cylinder cover
(B) cylinder liner
(C) cylinder block
(D) stuffing boxes
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統計： A(65), B(193), C(44), D(335), E(0) #1497052
統計： A(65), B(193), C(44), D(335), E(0) #1497052
