The suffering force of sheath and casing is analyzed by the elasticity mechanics and finity element.Then the faction mechanism of the high toughness sheath decreasing the damage of casing is analyzed.是什么意思_The suffering force of sheath and casing is analyzed by the elasticity mechanics and finity element.Then the faction mechanism of the high toughness sheath decreasing the damage of casing is analyzed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句