air tight seal 中文意思是什麼
air tight seal
解釋
氣密-
Semicarbazide, can be formed as a by - product of the process used to manufacture soft plastic seals commonly used in twist - off metal lids of glass jars and food bottles. these seals were widely used for more than 20 years, providing a reliable air - tight and tamper - proof seal
氨基脲是生產軟封口塑料過程中形成的一種副產品,這種軟封口塑料通常用在玻璃罐子或者食物瓶子那種能一擰就開的金屬蓋子上,已經廣泛使用了
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