单选题A mooring system that results in a spread system without anchor buoys is called a（）.Apermanent chasing systemBwire rope mooring systemCshepherd's crook mooring systemDspring buoy mooring system
单选题
A mooring system that results in a spread system without anchor buoys is called a（）.
A
permanent chasing system
B
wire rope mooring system
C
shepherd's crook mooring system
D
spring buoy mooring system
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