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单项选择题
A. Bow stern full to port!
B. Bow stern half to port!
C. Stern thrust half to starboard !
D. Stern thrust full to port!
单项选择题
A. Bow stern full to port!
B. Bow stern half to port!
C. Stern thrust half to starboard !
D. Bow thrust full to port!
单项选择题
A. Bow stern full to port!
B. Bow stern half to port!
C. Bow thrust half to starboard !
D. Bow thrust full to port!
单项选择题
A. Bow stern full to port!
B. Bow stern half to port!
C. Bow thrust full to starboard !
D. Bow thrust full to port!
单项选择题
A. Are you on the course?
B. Are you on the line ?
C. Are you on the wheel?
D. Are you on the route?