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MSI防御系统公司最近向公众介绍了Sigma系统,这是一种近程面空导弹与25mm或30mm加农炮(例如30mm厄利康KCB,Mau-
The MSI Defense Systems company recently introduced the Sigma system to the public, a short-range surface-to-air missile with a 25mm or 30mm cannon (such as the 30mm Ellicott KCB, Mau-