19.中間軸承的作用是：(A)支撐和固定 (B)支撐和調節 (C)定位和支撐 (D)平衡和止推

問題詳情

19.中間軸承的作用是：
(A)支撐和固定
(B)支撐和調節
(C)定位和支撐
(D)平衡和止推

參考答案

答案：A
難度：簡單0.733333
統計：A(11),B(1),C(1),D(1),E(0)

上一篇 : 11.For Typhoon and the cyclone, which statement of the following is incorrect?(A)Normally, the affec
下一篇 : 23.Walk back（to）means to _________ the action of a windlass to ease the cable（of anchors）.(A)execute