Applanation structure are used in torque motor to get a high output torque and low speed characteristic.The ratio between armature magnet core length and outside diameter just little.是什么意思_Applanation structure are used in torque motor to get a high output torque and low speed characteristic.The ratio between armature magnet core length and outside diameter just little.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句