“lead-in-air indicator”的概念、定义、翻译、参考文献-科学参考

单词	lead-in-air indicator
释义	lead-in-air indicator 空气含铅量指示器
随便看	bridge-cut-off test bridge dam bridge deck bridge design bridge detector bridged graphite bridge diagram bridge die bridged impedance bridged ion bridge diplexer bridged-M trap circuit bridge driver bridged rotary intersection bridged-T bridge bridged-T circuit bridged-T filter bridged-T network bridged-T tap bridged-T trap bridge duplex system bridge erection bridge fault bridge for stream-gaging bridge foundation

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