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The main (A) steering gear should be capable of performing the actions with requirements as ( ).
A.Capable of steering the ship at navigable speed and being brought speedily into action.
B.Requires a rudder stock of over 230 mm diameter.
C.Requires a rudder stock of over 120 mm diameter in way of the tiller.
D.Capable of steering the ship at maximum ahead service speed.
答案:AB
感觉答案有点问题。。。个人认为应该选AD,而不是AB。是否我哪里理解错了?
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