Pump case are welded castings steel and steel plates.
泵壳是由铸钢与钢板焊接而成得。
The seal case is welded ordinarily by vacuum brazing.
密封机箱的成型加工采用真空钎焊。
Theory and Research on Design of Welded Steel Cartridge Case.
焊接钢质药筒设计理论与研究
Heuristic inversion of deforming mechanism in firing of welded steel cartridge case of large caliber cannon
大口径火炮焊接药筒射击变形机理的启发式反演
Study of the Relation between the Surface Treating Quality of Welded Steel Cartridge Case and Cartridge Case Ejection.
焊接钢质药筒表面处理质量与药筒退壳性关系的研究
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