screw thread ring gauge的意思|示意
美 / /
英 / /
螺纹环规
screw thread ring gauge的网络常见释义
通端螺纹环规 ... Whitworth screw thread gauge 惠氏螺纹量规 screw thread ring gauge 通端螺纹环规 ecial screw thread gauge 特种螺纹量规 ...