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- 数字式开关电容带通滤波器设计原理Design principle of digital switching capacitor band-pass filter
- 电源开关mains switch
- 数字式digital
- 行程开关travel switch
- 隔离开关isolating switch
- 开关量switching value
- 光电开关photoelectric switch
- 数字式传感器digital sensing device
- 按钮开关press stopper
- 开关电源switching power supply
- 按键开关keyswitch
- 切换开关switch (board)
- 点火开关ignition switch
- 拨动开关toggle switch
- 负荷开关load switch
- 薄膜开关thin film switch
- 感应开关inductive switch
- 拨码开关toggle switch
- 开关阀switch valve
- 开关管switching tube
