22. ____ there a designated security officer onboard ? (A) Is (B) Are (C) May (D) Will

22. ____ there a designated security officer onboard ?
(A) Is
(B) Are
(C) May
(D) Will

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統計： A(741), B(141), C(33), D(58), E(0) #1813582

詳解 (共 1 筆)

Wind

B1 · 2022/01/14

#5307102

22. 船上有指定的安全官嗎？ A...

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31. The volumes above the piston at the extremities of its travel are the clearance volume at top dead center position, and the cylinder volume at bottom dead center position. The ratio of cylinder volume to clearance volume is the nominal compression ratio. When the clearance volume and cylinder volume are 2m3 and 8m3 respectively, the compression ratio is what？ (A) 0.25 (B) 16 (C) 4 (D) 10

22. ____ there a designated security officer onboard ?
(A) Is
(B) Are
(C) May
(D) Will

詳解 (共 1 筆)

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