Sealing washer in a injection molding machine losed its function because of wear.
注塑机过胶圈在使用中因磨损失去密封性而失效。
A sealing washer is provided inside the pot cover of the vacuum electric frying pan, exerting a sealing function.
真空电炸锅的锅盖内有一个密封垫圈，起到密封作用。
A sealing washer is provided inside the pot cover of the vacuum electric frying pan, exerting a sealing function.
真空电炸锅的锅盖内有一个密封垫圈，起到密封作用。
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