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这份资料曾在《航空工艺技术》85年第1期上刊登,后作者对卡尺又进一步作了改进,本文是改进后的多能卡尺的总结。现发表,供参考。
This information was published in the first issue of “Aviation Technology” in 1985, and the author made further improvements to the calipers. This article is a summary of the improved multi-function calipers. Now published for reference.