字首 Ｆ
單字 ferrule
音標與例句
    音標 [ ˈferəl ]
    Make sure that the two ferrules are correctly crimped and secure.
    確認兩個套圈正確扣住且固定著。
    Make sure that there are no signs of oxydation or corrosion, replace defective components (seals, grommets, ferrules etc...).
    確認沒有氧化或鏽蝕的跡象，更換受損的零組件(密封、扣環、套圈等等)。
字義 n.[C]金屬箍、套圈
圖說 ferrule
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