Later variants had a rotating periscope for the driver, a new exhaust arrangement, a new mantlet design to eliminate the shot trap and a new engine deck layout with a raised fan cover.是什么意思_Later variants had a rotating periscope for the driver, a new exhaust arrangement, a new mantlet design to eliminate the shot trap and a new engine deck layout with a raised fan cover.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句