問題詳情

59.下列何種氣體流速計能測雙向氣體流速?
(A)firbrous material screen pneumotachograph
(B)Fleisch pneumotachograph
(C)vortex ultrasonic pneumotachograph
(D)variable orifice pneumotachograph

參考答案

答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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