eyebolt

详细解释:n. 有眼螺栓, 吊环螺栓
【电】 单眼螺栓

详细解释：

eye.bolt

n.（名词）
A bolt having a looped head designed to receive a hook or rope.
有眼螺栓：带有圆圈头的螺栓，用来接钩子或绳子