短語詞組短語critical rotational speed 臨界轉(zhuǎn)速critical closing speed 臨界閉傘速度galloping critical wind speed 弛振臨界風(fēng)速critical impeller speed 臨界攪拌轉(zhuǎn)速flutter critical wind speed 顫振臨界風(fēng)速critical wave speed 臨界波速First critical rotor speed 第一個關(guān)鍵的轉(zhuǎn)子速度vibration critical wind speed 起振臨界風(fēng)速 返回 critical speed