她密封得很好的墓穴有助于数以百计的古物能很好地保存——即使是她的衣服还有辫子。
Her well-sealed tomb helped preserve hundreds of ancient artifacts-even her dresses and braided hair.
三粘贴工程密封了湿度变化之间的尿布，并有助于防止复发。
Triple Paste works to seal out wetness between diaper changes and help prevent recurrence.
楔形的作用有助于在低压差应用中产生紧密的密封。
Wedging actions help affect a tight seal in low differential pressure services.
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