Fittings used for towing must be（）.<br>A:Coast Guard approved<br>B:stamped with maximum working loads<br>C:securely fastened<br>D:positioned exactly at the bow of the towed vessel

Fittings used for towing must be（）.
A:Coast Guard approved
B:stamped with maximum working loads
C:securely fastened
D:positioned exactly at the bow of the towed vessel

出自：海船船员证

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