ringbolt
N กลอน ที่ วง แหวน
RINGBOLT
RINGBOLT Ring "bolt `, n.
ring bolt |ˈriNGˌbōlt ˈrɪŋboʊlt | ▶noun a bolt made with a ring for passing a rope through.
ring |bolt |ˈrɪŋbəʊlt | ▶noun a bolt with a ring attached for fitting a rope to.