The catenary in a towline is（）.<br>A:a short bridle<br>B:the downward curvature of the hawser<br>C:another name for a pelican hook<br>D:used to hold it amidships

The catenary in a towline is（）.
A:a short bridle
B:the downward curvature of the hawser
C:another name for a pelican hook
D:used to hold it amidships

出自：海船船员证

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