与"backward voltage"相近的词条

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• backward rotation
• backward scanning
• backward scattered
• backward scattered electron
• backward scattering
• backward voltage
• backward ware
• backward wave
• backward wave amplifier
• backward wave oscillator、backward-Wave oscillator
• backward wave tube
• backwardness
• backwards
• backwards displacement of iris
• back(ward)ware
• backwash

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