grapnel l探锚
grapnel anchor多爪锚;四爪锚;多爪小锚
cable grapnel捞缆机
grapnel tube钻杆打捞管
wireline grapnel捞绳锚钩
grapnel rope小锚索
Grapnel Gun钩爪枪
grapnel travelling crane抓斗行走吊车
three pronged grapnel三齿抓钩
N（名词） a device with a multiple hook at one end and attached to a rope, which is thrown or hooked over a firm mooring to secure an object attached to the other end of the rope 抓钩