dual-seal

英 [ˈdjuːəl siːl] 美 [ˈduːəl siːl]

双重密封

化学



双语例句

  1. With the functions of rainproof, paraffin scraping and dual-seal, the device has strong economical and practical value.
    该装置具有防雨、刮蜡、双重密封等多种功能,具有很强的经济价值和实用价值。