“弹药筒”的英语？

来自伊拉克的官方报告对5.56毫米弹药筒表示还算满意.Official reports from Iraq express general satisfaction with the 5.56 mm cartridge.不幸地2G弹药筒设计非常困难正确地设定.Unfortunately the 2 G cartridge design is very difficult to set accurately.个人计算机工具为创造来自系统R...