372.局部排氣裝置所需之動力與回轉速之幾次方成正比?
(A)0
(B)1
(C)2
(D)3
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統計: A(13), B(27), C(61), D(118), E(0) #2633885
統計: A(13), B(27), C(61), D(118), E(0) #2633885