34.理想的掃氣溫度須控制高於露點(Dew point)多少℃?
(A)1~2
(B)3~4
(C)5~7
(D)8~10
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統計: A(103), B(21), C(34), D(10), E(0) #425131
統計: A(103), B(21), C(34), D(10), E(0) #425131