Cork. : the lightweight elastic outer bark of the Cork oak used especially for bottle closures insulation floats and crafts.
软木：栓皮栎树的重量轻、有弹性的外皮尤指用于瓶塞、绝缘、鱼漂和船艇的材料。
Cork is often used for insulation.
栓皮经常用作绝缘材料。
The utility model relates to a thermal insulation kettle cork with automatic opening and closing, comprising a kettle cover, a kettle cork and an automatic opening and closing mechanism.
本实用新型涉及一种自动开关保温壶塞，它由壶盖、壶塞及自动开关机构组成。
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