单项选择题
A. Stern thrust stop. B. Stern stop. C. Bow thrust stop.
多少转？（）A. How many revolutions?B. How many rings?C. How ...
单项选择题多少转？（）
A. How many revolutions? B. How many rings? C. How much revolutions? D. What revolution?
航向复原。（）A. Course again.B. Course two.C. Course more.D. ...
单项选择题航向复原。（）
A. Course again. B. Course two. C. Course more. D. Course line.
舵不灵。（）A. No steering.B. No steerage.C. A+B+D D. No an...
单项选择题舵不灵。（）
A. No steering. B. No steerage. C. A+B+D D. No answer.
