...andard screw thread gauge 惠氏标准螺纹 Whitworthscrew thread ; Whiworth standard screw thread 标准螺纹距 standard pitch ; standard pitch west bank ..
基于38个网页-相关网页
...惠氏标准螺纹 Whitworthscrew thread ; Whiworth standard screw thread 标准螺纹距 standard pitch ; standard pitch west bank ..
基于6个网页-相关网页