A physic model is established for the description of the vibration of mini-spring of the brushing exploding mechanism in the fuse of the grenade lunching from a recoilless gun.是什么意思_A physic model is established for the description of the vibration of mini-spring of the brushing exploding mechanism in the fuse of the grenade lunching from a recoilless gun.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句