GB/T 43655-2024自攻螺钉连接底孔直径和拧紧扭矩技术条件国家标准
英文:Self-tapping screw connections—Specification of the pilot hole diameter and tightening torque GB/T 43655-2024介绍: 国家标准...
英文:Self-tapping screw connections—Specification of the pilot hole diameter and tightening torque GB/T 43655-2024介绍: 国家标准...