In bad weather，what length of chain should be used with a single anchor? （）<br>A:3 times the depth of water<br>B:6 times the depth of water<br>C:10 times the depth of water<br>D:15 times the depth of water

In bad weather，what length of chain should be used with a single anchor? （）
A:3 times the depth of water
B:6 times the depth of water
C:10 times the depth of water
D:15 times the depth of water

出自：海船船员证

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