蓋子容器的一部分,它起到封閉或密封的作用,通常蓋子可以完全封閉物體。有些蓋子有一個安全條或防拆帶,這樣可以將蓋子牢牢地固定住,直到蓋子需要被人打開為止。早在公元前3100年的陶器上就已經出現了蓋子[1]

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藍色的為蓋子

參考文獻

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