1、
Applicable to petrochemical container, seal airtight installation such as pump, valve, etc.
适用于石油,化工容器, 机泵, 阀门密封装置.
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2、
Lightly press the shield down against the skin to ensure an airtight seal.
轻轻按下屏蔽下跌,皮肤,以确保密封盖章.
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