2026-07-19 08:02 浏览次数 18
镂空造型戒指设计
1. to seem untruthful or insincere
Application Analysis for the Operating Parameters of Hollow Ring Tube-shell Heat Exchanger
空心环管壳式换热器运行参数的应用分析
Study on the Casting Process of Near-closed Hollow Ring for Complicated Thin Walled Aluminum Casting
薄壁复杂封闭型腔铝合金构件铸造工艺研究