永久性密封 的英文怎麼說
中文拼音 [yǒngjiǔxìngmìfēng]
永久性密封
英文
sealed-for-life- 永 : Ⅰ副詞(永遠; 久遠) perpetually; forever; always Ⅱ名詞(姓氏) a surname
- 久 : Ⅰ形容詞(時間長) for a long time; long Ⅱ名詞(時間的長短) of a specified duration
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 密 : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
- 永久性 : perpetual; permanency
- 永久 : permanent; perpetual; everlasting; forever; for good (and all)
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The valve seat shall be an elastomeric seal that will permit seating at low - head pressure, and an arrow shall be molded on the valve body for permanent visibility to indicate the intended direction of flow
閥座應該是彈性密封,它使得閥座處于較低的排出壓力下,箭頭應該永久性清晰可見地模鑄在閥體上,標明計劃的流向。One end of the cable is permanently connected to the enclosed mercury switch and the entire assembly is encapsulated to form a completely water tight and impact resistant unit
電纜的一端永久性連接在封閉的水銀開關內,這個完整的密封總裝形成完全不透水、抗撞擊裝置。Watts 994hmb fire hydrant backflow preventer meter construction consists of : meter housing, measuring element, permanently sealed register, and reduced pressure backflow preventer in unitized assembly
美國瓦茨994hmb消防栓防迴流閥儀表結構包括:儀表殼,測量元件,永久性密封記錄器,和在成套總成內的減壓防迴流閥。
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