英语词汇ultra trace的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	ultra trace
释义	ultra trace 英?[??ltr? treis] 美?[??ltr? tres] 释义超痕量实用场景例句全部 A new sensitive method for determination of ultra trace secondary amines has teen described. 立了一种灵敏检测仲胺的新方法. 互联网
随便看	roentgen rays (x-ray) roentgen report roentgens roentgen sickness roentgen sign roentgen simulator roentgen spectrography roentgen spectrometry Roentgenspectrometry roentgenspectrum roentgen spectrum roentgens per hour roentgens per second roentgen technology roentgen television roentgen therapy roentgen tomography roentgen topography roentgen-to-rad factor roentgen to rad factor roentgen-total-at-one-centimeter roentgen tube roentgen tubes roentgen tube (x-ray tube) Roentgen ulcer

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ultra trace