A New Method for Measuring the Rifling Angleof Artillery Pipe Based on Template Matching.
基于模板匹配的火炮身管膛线缠角测量技术研究。
2
The influence of the Angle between pipe inlets is studied to establish the optimal condition in which the passive scalar concentration in both outlets is similar.
的影响，管道入口夹角研究建立最佳的条件，其中被动标量集中在这两个点是相似的。
3
Heavier steel products, such as plate, I beams, Angle iron, pipe, and bar, form the structural frames of buildings, Bridges, ships, automobiles, roadways, and many other structures.