unified national coarse thread的意思|示意
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国家统一粗螺纹
unified national coarse thread的网络常见释义
统一标准粗牙螺纹 ... Typ Typical 典型、标准 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 ...
unified national coarse thread相关短语
1、 unc unified national coarse thread 统一标准粗牙螺纹