In moderate wind and current what should be the length of chain with a single anchor?（）<br>A:5 times the depth of the water in good holding ground<br>B:10 times the depth of the water in shallow water<br>C:2 times the depth of the water in poor holding ground<br>D:8 times the depth of the water in deep water

In moderate wind and current what should be the length of chain with a single anchor?（）
A:5 times the depth of the water in good holding ground
B:10 times the depth of the water in shallow water
C:2 times the depth of the water in poor holding ground
D:8 times the depth of the water in deep water

出自：海船船员证

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