問題詳情

13. Whichequipment is usually required to remove air and noncondensable vapors that leak intothe sub-atmospheric parts of the steam power plant?
(A) Gland sealing
(B) Drains
(C) Air ejector
(D) Labyrinths

參考答案

答案:C
難度:簡單0.761905
統計:A(0),B(1),C(16),D(2),E(0)

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