“swansdown twill”的概念、定义、翻译、参考文献-科学参考

单词	swansdown twill
释义	swansdown twill 三上一下斜纹
随便看	ringing margin ringing of pulse ringing out ringing periodicity ringing pilot lamp ringing position ringing pulse ringing relay ringing repeater ringing set ringing signal ringing signal oscillator ringing switch trunk address ringing test ringing tester ringing time ringing tone ringing tone signal ringing transformer ringing trip relay ringing waveform ringing wire ring inserting tester ring installation ring interface

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