Meanwhile, 20 knee cast samples were used to explore the origin, branches, and distribution of the blood vessels in knee joint cavity and deep infrapatellar bursa.
对20件膝关节铸型标本进行观察，研究关节腔、髌下深囊及其之间区域的血管来源、分支及分布。
The main deformity of the center housing cast in the automobile turbocharger is shrinkage cavity.
在汽车涡轮增压器中心架铸件生产中主要产生缩孔缺陷。
Three cylindrical steel castings with different diameters were cast to study the shapes of shrinkage cavity and porosity, and the calculated results match the experiments quite well.
计算和实浇了三个不同直径的圆柱形铸钢件，计算结果与实验结果基本一致。
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