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In the constant-tension mooring, the mooring lines holding the ship to the pier will maintain a constant tension even with changes in tide or ship’s draft, （）.
A:without the necessity of manually adjusting the lines
B:without the necessity of automatically adjusting the lines
C:with the necessity of manually adjusting the lines
D:with the un-necessity of automatically adjusting the lines

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出自：海船船员证

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