metallic hollow O-ring for selfseal的意思|示意
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金属空心o形自密封密封圈
metallic hollow O-ring for selfseal的网络常见释义
自紧式金属空心O形环 ... 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 ...