resistance box with rotary switch的意思|示意
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英 / /
带旋转开关的电阻箱
resistance box with rotary switch的网络常见释义
旋转开关式电阻箱 ... switch resistance 切换电阻 ; 道岔阻力 resistance box with rotary switch 旋转开关式电阻箱 switch resistance motor 开关磁阻电机 ...