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【单选题】
检查离合器分离轴承时,擦净轴承,然后手持轴承内缘转动外缘,分离轴承如有阻滞或明显间隙,则应( )分离轴承。A.
更换
B.
煮油润滑
C.
清洗
D.
加注滑润脂
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举一反三
【单选题】A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE?
A.
During the day，she would display three balls in a vertical line
B.
If making way，she would show masthead lights at night
C.
If at anchor，she need not show anchor lights while displaying identifying lights
D.
Her fog signal would consist of a rapid ringing of a bell for five seconds every minute
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