单项选择题
A.bow line B.forward bow line C.stern line D.stern breast line
A mooring line leading at nearly right angles to the ke...
单项选择题A mooring line leading at nearly right angles to the keel is a（）.
A.bow line B.breast line C.spring line D.stern line
A mooring line leading 45°to the keel，used to check for...
单项选择题A mooring line leading 45°to the keel，used to check forward or astern movement of a vessel，is called a（）.
A.spring line B.warp line C.bow line D.breast line
A look-out should report objects sighted using（）.A.true...
单项选择题A look-out should report objects sighted using（）.
A.true bearings B.magnetic bearings C.gyro bearings D.relative bearings
