unified national fine thread的意思|示意
美 / /
英 / /
国家统一细螺纹
unified national fine thread的网络常见释义
统一标准细牙螺纹 ... UNC Unified National Coarse Thread 统一标准粗牙螺纹 UNF Unified National Fine Thread 统一标准细牙螺纹 US Undersize 尺寸过小 ...
unified national fine thread相关短语
1、 unf unified national fine thread 统一标准细牙螺纹