2026-09-23 05:09 浏览次数 22
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Study on the Plastic Limit Internal Pressure for Welded Piping Tee with Poor Penetration Along Line of Intersection
整圈未焊透三通塑性极限内压的研究
A New Method of Reconstructing Moving Track which Along Line
一种重构直线运动轨迹的新方法