“United States standard dry seal thread”的概念、定义、翻译、参考文献-科学参考

单词	United States standard dry seal thread
释义	United States standard dry seal thread [yǝ`nīd·ǝd `stāts `stan·dǝrd `drī ¦sēl ´thred] ^{DESIGN ENGINEERING} A modified pipe thread used for pressure-tight connections that are to be assembled without lubricant or sealer in refrigeration pipes, automotive and aircraft fuel-line fittings, and gas and chemical shells.
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