mortar, 迫擊砲

A mortar flies out of a tube during a mortar exercise for U.S. soldiers in Dragon Company of the 3rd Cavalry Regiment near forward operating base Gamberi in the Laghman province of Afghanistan December 26, 2014. (REUTERS/Lucas Jackson)
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Photos of the day - December 26, 2014
http://news.yahoo.com/photos/photos-of-the-day-december-26-2014-1419629912-slideshow/

Mortar (weapon) - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Mortar_(weapon)
迫擊砲 - 維基百科，自由的百科全書
http://zh.wikipedia.org/wiki/%E8%BF%AB%E5%87%BB%E7%82%AE

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