... 关闭前门 close the front door 关闭顶盖 close the top cover 紧容差 close tolerance ...
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The utility model comprises a top dust hood, a connecting piece, an external cover, a base ventilation channel, an elastic pedestal assembly and an open-close pull rod assembly, etc.
其包括顶罩、连接件、外罩、底座通风道、弹性支座总成、启闭 拉杆总成等。
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