百度
谷歌
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维基
百科
keying amplifier
keying circuit
keying device
keying error rate
keying frequence
keying frequency
keying interference
keying interval
keying level
keying line
keying loss
keying modulation circuit
keying monitor
keying pulse
keying pulse generator
keying relay
keying sequence
keying signal
keying signal form
keying strength
keying unit
keying wave
keying waveform
keyless
keyless drill chuck
keyless joint
keyless ringing
keyless socket
keyless tin
keylight
keying circuit
keying device
keying error rate
keying frequence
keying frequency
keying interference
keying interval
keying level
keying line
keying loss
keying modulation circuit
keying monitor
keying pulse
keying pulse generator
keying relay
keying sequence
keying signal
keying signal form
keying strength
keying unit
keying wave
keying waveform
keyless
keyless drill chuck
keyless joint
keyless ringing
keyless socket
keyless tin
keylight
keying amplifier
电子开关控制电路的放大器, 键控放大器