单选题A band or collar on the top end of a boom which the topping lift, midships guy, and outboard guys are secured, is called the（）.Acollar bandBguy bandCpad eye collarDspider band
单选题
A band or collar on the top end of a boom which the topping lift, midships guy, and outboard guys are secured, is called the（）.
A
collar band
B
guy band
C
pad eye collar
D
spider band
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