狗扣，亦称为狗仔扣，勾扣，龙虾扣，钩扣，主要用于箱包包带或者挂绳末端，使包带可方便地固定在D扣或者其它圆扣上。
巴黎圣母院旁边的一个书摊，摊位上只摆了一小摞书，其余是成排成排的埃菲尔铁塔画、钥匙扣、烟缸、甚至还有门牌号码板和写着“有狗危险”的标示牌。
One bouquiniste near Notre Dame presided over a stall with only a handful of books, but rows of paintings of Eiffel towers, key-rings, ashtrays and even house number plaques and "dangerous dog" signs.
活动端用扣具与狗项圈相连的狗链通过线轮壳口与线轮相连并卷绕起来；
The dog chain, the movable end of which is connected with a dog ring by a fastener is connected with the line wheel by a line wheel casing mouth and wound.
应用推荐