Dog-spike道钉
dog headed spike狗头钉
dog g spike bar道钉钢条
dog g spike钩头道钉
dog spike bar道钉钢条
spike dog spike铁路上用于将路轨固定在轨枕上的类似的钉
dog-head spike[铁路] 狗头道钉;钩头道钉
dog-headed spike狗头道钉
common dog spike普通钩头道钉