A.微速后退! B.半速后退! C.全速后退! D.全速前进!
单项选择题Nothing to port!()
A.勿偏左! B.勿偏右! C.无舵效! D.右满舵!
单项选择题Full speed ahead! ()
A.前进三! B.后退二! C.后退一! D.中速后退!
单项选择题Bow thrust full to starboard!()
A.尾推半速向左 B.首推全速向右 C.首推全速向左 D.首推半速向右
单项选择题Bow thrust half to starboard!()
单项选择题Bow thrust full to port!()
A.尾推半速向左 B.首推全速向右 C.首推全速向左 D.尾推半速向右