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对几种不同表面处理的焊接钢质药筒在退壳时所需抽壳力的大小进行了理论计算与实测对比，论证了药筒表面处理方法或质量在药筒退壳性设计中的作用，完善了焊接钢质药筒退壳性设计的理论。
Several different surface treatment of welded steel cartridge in the shell when the shell size required for the theoretical calculation and comparison of the actual test demonstrated that the cartridge surface treatment method or the quality of the role in the cartridge design , Improve the welding of steel cartridge design of the theory of backshell.