futtock shroud
futtock-shroud的词性:n.Nautical (名词)【航海】
1. One of the iron rods extending from a band on the lower mast to the futtock plate, used to brace the base of the topmast.桅楼侧支索:一种用来固定中桅底座而从低桅的一个箍圈延伸到内龙骨翼板的铁杆