metallic hollow self-energizing O-rings
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 ..
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metallic hollow O-ring for selfseal
... Near-closed Hollow Ring 封闭型腔 metallic hollow O-ring for selfseal 自紧式金属空心O形环 Hollow screws for ring-type banjos 环形鼓形管用空心螺钉 ...
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