On a single-screw vessel the stern frame（）.<br>A:furnishes support to the rudder，propeller shaft，and transom frame<br>B:provides foundations for after mooring winches<br>C:provides foundations for the main propulsion engines<br>D:transfers the driving force of the propeller to the hull

On a single-screw vessel the stern frame（）.
A:furnishes support to the rudder，propeller shaft，and transom frame
B:provides foundations for after mooring winches
C:provides foundations for the main propulsion engines
D:transfers the driving force of the propeller to the hull

出自：海船船员证

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