[消]双雄接口 male adapter: 凸面接头; 凸形密封环; 外螺纹过渡管接头; 外螺纹接头; 支承环double male: 固定上下集装箱的; 双头插销; 双雄接口double adapter: 双头同性接口double male and female: 双凹凸式密封面double male fitting: 双凸形配件下载手机词典可随时随地查词查翻译