breakdown of the system系统: system系统阻抗: system impedance系统阻抗比: system impedance ratio系统阻尼: system damping操纵系统阻尼: control damping下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:系统阻断,即可在微信中查询翻译