restrained packing ring的意思|示意
美 / /
英 / /
制止垫环
restrained packing ring的网络常见释义
缚扎垫环 ... 麻丝垫环 grummet 缚扎垫环 restrained packing ring 背面垫环焊接 weld with backing ring ...
制止垫环 ... 密封防护垫环 seal protector ring 制止垫环 restrained packing ring 麻丝垫环 grummet ...