单词	double-lock seam
释义	double-lock seam double-lock seam double-lock seam A type of seam between the edges of adjacent metal sheets; formed by making a double fold, then dressing down to form a seam.
随便看	nazzaro syndrome nações unidas naïf naïfly naïfness naïs naïve naïve art naïvely naïve realism naïveté naïvity naïvité n-b n.b. n.b.: nb nb12 nb2bc nba nbaa nbaac nbaat nbab nbabpwbfaq

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