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Black lead gasket 石墨床 ; 青铅床
Sauna room temperature is much higher than the normal outdoor temperature, for this moment temperature changes will lead to the quartz watch in the early aging of the waterproof gasket.
桑拿房的温度远远高于室外的正常温度，为此瞬间温差变化将导致石英表内的防水垫圈提前老化。
Sauna room temperature is much higher than the normal outdoor temperature, for this moment temperature changes will lead to the quartz watch in the early aging of the waterproof gasket.
房的温度远远高于室外的正常温度，为此瞬间温差变化将导致石英表内的防水垫圈提前老化。
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