与水上相联的固定保险索的英文

fixed line to the surface

• 与:    take part in; part ...
• 水:    water
• 上相:    come out well in a ...
• 联:    unite; join
• 的:    4次方是 The fourth po ...
• 固定:    fixed; regular
• 保险:    insure; guarantee; ...