提出一种新的标准环规溯源方法。
A new method for the trace of standard ring gauge is proposed.
普通螺纹量规（螺纹环规、螺纹塞规）适用于检测符合国家标准及国际标准的螺纹制件。
The common thread gauges including ring gauges and plug gauges are used to calibrate thread work pieces with GB and ISO standards.
普通螺纹量规（螺纹环规、螺纹塞规）适用于检测符合国家标准及国际标准的螺纹制件。
The common thread gauges including ring gauges and plug gauges are used to calibrate thread work pieces with GB and ISO standards.
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