19. What is the function of bilge keel?
(A) Reduce rolling.
(B) Reduce pitching.
(C) Reduce yawing.
(D) Increase stability.

答案:登入後查看
統計: A(380), B(76), C(61), D(278), E(0) #2334854

詳解 (共 2 筆)

#5363443
舭龍骨 bilge keel 是一種用於...
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#4725024
舭龍骨(英語:bilge keel)是一...
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