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The conclusion is that PTFE oil seal can improve the sealing performance and meet the demand of vehicles.
PTFE复合油封能提高车辆的密封性,满足车辆的使用要求。
youdao
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The conclusion is that PTFE oil seal can improve the sealing performance and meet the demand of vehicles.
PTFE复合油封能提高车辆的密封性,满足车辆的使用要求。
youdao