أرسل هذا في رسالة قصيرة: Performance evaluation of open-graded friction course (OGFC) for high-strength application

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