阴螺纹剖面和iso米制螺纹公差。
航空和航天。经向密封接头。阴螺纹剖面和iso米制螺纹公差。尺寸。
Aerospace fitting joint assembly, radial sealing. Internal thread bosses. ISO metric thread profile and tolerances. Dimensions.
标准B1.1 -包括螺纹制造公差的统一的螺栓螺纹标准。
A. N. s. I. Standard b1.1-the Unified screw threads Standard that covers manufacturing tolerances of screw threads.
对引起螺纹孔延伸公差带失效原因的各种因素进行了分析，并对采取的预防措施进行了讨论。
Many factors which possibly lead to failure of extended tolerances of threaded holes are analyzed, and a discussion on the method of prevention is made.
螺纹钢的负公差率得到提高。
螺纹钢的负公差率得到提高。
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