Used by terrorists to attack aircraft, MANPADS are heat seeking, able to reach speeds of Mach 2 and are effective at ranges up to 5 kilometers.是什么意思_Used by terrorists to attack aircraft, MANPADS are heat seeking, able to reach speeds of Mach 2 and are effective at ranges up to 5 kilometers.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句