n.小锚；抓钩
slider grapnel - type automatic grab- bing beam 浮动块抓钩式自动抓梁
explosive grapnel 爆炸多爪锚
a grapnel; a grapple 抓钩
fire grapnel 爆炸爪锚
Tic grapnel for marine purpose 船用机械锚
