double frequency sequence signalling system是什么意思、英文翻译及中文解释
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double frequency sequence signalling system
词语: double frequency sequence signalling system
解释: 双频顺序信号制
词典: 电力专业英汉词典
double frequency sequence signalling system 相关解释
double frequency sequence signalling system 〔名词〕双频顺序信号制
双频顺序信号制 double frequency sequence sinalling system
双频顺序信号制 double frequency sequence signaling system
双频顺序信号制 double frequency sequence signalling system