重力式吊艇架 gravity davit: 滑軌式吊艇桿; 重力吊架(小艇); 重力式吊艇桿free standing gravity davit: 輕型重力式艇架gravity pivot davit: 重力旋倒式吊艇架columbus-type davit: 倒竿式吊艇架crescent type davit: 鐮刀型艇架下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
