API SPEC 7-2 CHINESE-2008 旋转台肩螺纹连接的螺纹加工和测量规范(第一版;ISO 10424-2:2007 年采用;附录 1:2010年12月;2011年6月生效)
Specification for Threading and Gauging of Rotary Shouldered Thread Connections (First Edition; ISO 10424-2: 2007 Adoption; ADDENDUM 1: DECEMBER 2010; Effective June 2011)