The seats and O-ring lift out of the body.
然后将阀座和O形环从阀体中拉出。
An O-ring seals the relief valve body to the main housing.
用一个O形环密封安全阀阀体与主外壳。
Check and replace the O-ring of the piston head.
检查和更换活塞头的O型圈。
Kit consists of: Float, vent spring and Bonnet O-ring.
组件包括：浮子，排气弹簧和阀盖o形环。
The sealing structure and principle of hollow metal O-ring was introduced.
介绍了金属空心o形圈的密封结构和密封机理。
The sealing structure and principle of hollow metal O-ring was introduced.
介绍了金属空心o形圈的密封结构和密封机理。
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