metallic hollow self-energizing O-rings的意思|示意
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金属空心自激o形环
metallic hollow self-energizing O-rings的网络常见释义
自紧式金属空心O形环 Fluid power systems-O-rings 目录或摘要 metallic hollow self-energizing O-rings 自紧式金属空心O形环 BACK-UP RINGS FOR O-RINGS O型密封圈的保护圈 ..