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	leontopodium leontopodium alpinum leontovich, aleksandr leontovich, aleksandr vasilevich leontovich, mikhail leontovich, mikhail aleksandrovich leontovich, nikolai leontovich, nikolai dmitrievich leon trotskee leon trotski leon trotskij leon trotskiy leon trotsky leon trotzky leontyev leontyne price leonty ramensky leonurus leonurus cardiaca leonurus heterophyllus leonurus sibericus leon v leon vi leon wyczolkowski leon wyczólkowski

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