钻具接头的识别方法

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文档介绍

14.30130.18134.91NC56149.25117.50127.00142.88150.81NC61163.50126.6139.7155.58165.10NC70185.75147.65152.40163.22187.33NC77203.20161.85165.10180.98204.79NC23---NC774扣/英寸二、API扣型尺寸规范:扣型公接头(大小端)公扣长母扣长母扣直径21073.0560.3576.292.0874.6121086.1371.3188.90104.7887.71230(小)66.6747.6276.2092.0768.26230(大)76.2053.9788.90104.7877.78310102.085.06101.60117.48103.58320101.4577.6295.25111.13102.7933088.9065.0795.2511.1390.49410133.35114.30114.30130.18134.94420108.7189.66114.30130.18110.33420121.7296.31101.60117.48123.83430117.4790.47107.95123.83119.10510162.48141.32127.0142.88163.91520147.95126.79127.00142.88150.02530140.21110.06120.65136.53141.68620171.52150.37127.00142.88173.83630152.19131.03127.00142.88153.99730177.80144.47133.35149.23180.18830201.98167.84136.53152.40204.394A0122.70103.73114.30130.18124.61

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