أرسل هذا في رسالة قصيرة: Bore-center annular shaped charges with different liner materials penetrating into steel targets

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|      \\  /_   _//  /_____//   / _ \\  | \  / || 
|  --  //   -| ||-   `____ `   / //\ \\ |  \/  || 
|  --  \\   _| ||_   /___//   |  ___  ||| .  . || 
|______//  /_____//  `__ `    |_||  |_|||_|\/|_|| 
`------`   `-----`   /_//     `-`   `-` `-`  `-`  
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