utmost vacuum seal
美
[ˈʌtˌmost ˈvækjuəm sil]
英
[ˈʌtməust ˈvækjuəm si:l]
[化] 强真空密封
Examples
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美[ˈʌtˌmost ˈvækjuəm sil]英[ˈʌtməust ˈvækjuəm si:l]
[化] 强真空密封