The catenary（）.<br>A:acts as a reserve length of towing hawser when the tug applies more power，and it dampens the surge effect of the tow<br>B:gives an approximation of the amount of strain on the towing hawser<br>C:is the dip in the towing hawser between the tug and the tow<br>D:All of the above

The catenary（）.
A:acts as a reserve length of towing hawser when the tug applies more power，and it dampens the surge effect of the tow
B:gives an approximation of the amount of strain on the towing hawser
C:is the dip in the towing hawser between the tug and the tow
D:All of the above

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