新型多功能圓管三通過(guò)渡線劃線規(guī)
Multi-functional Marking Gauge for Transitional Line of Round Pipe T-connector
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摘要: 介紹一種新型圓管三通過(guò)渡線劃線工具的結(jié)構(gòu)原理和使用方法。Abstract: Introduced in the paper are the structure and application of a newly developed marking gauge for drawing transitional line of round pipe T-connector.
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