英语词汇“upward zero-crossing”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	upward zero-crossing
释义	upward zero-crossing 向上零交越，零下切
随便看	air tight container air-tight container airtight cover air-tight cover airtight culture airtight door air tight door air-tight door air-tight double glazing window air-tight drainage air-tight drum airtight enclosure air tight equipment air-tight frame air tight gas tight airtight inspecting equipment airtight inspecting hole air-tight instrument air tight joint airtight-joint air-tight joint airtight joint air tight locker air-tightly airtightly 姍姎姏姐姑姑1 姑2 姑3 姑妄听之姑妄言之承情承惠承想承托承担承接承揽承教承望承梁