cork insulation
... external insulation 外绝缘,外部保温... cork insulation 软木绝缘 vacuum insulation 真空绝热 ...
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软木绝缘舱 cork-insulated hold
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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. : the lightweight elastic outer bark of the Cork oak used especially for bottle closures insulation floats and crafts.
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