- 信號(hào)尋跡測(cè)試
- signal tracing: 信號(hào)跟蹤; 信號(hào)尋跡; 信號(hào)追蹤; 用信號(hào)尋找線路故障
- signal tracing i trument: 信號(hào)故障探測(cè)儀
- signal tracing instrument: 信號(hào)故障探測(cè)儀; 信號(hào)尋縱器
- signal-tracing instrument: 信號(hào)跟蹤儀器
- test signal: 測(cè)試信號(hào); 試驗(yàn)信號(hào); 試驗(yàn)訊號(hào)
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