“portable gas alarm”的概念、定义、翻译、参考文献-科学参考

单词	portable gas alarm
释义	portable gas alarm Encyclopedia 工学信号报警装置释 portable gas alarm便携式气体报警仪当监测到某类气体或多种气体的浓度超过设定阈值时，通过声、光、振动等方式告知人们的便于携带的报警装置。
随便看	Mass production mass production Mass Psychology of Fascism mass publishing mass quality mass-radius relation mass range mass ratio mass renormalization mass resolution mass scattering mass scattering coefficient mass segregation mass segregation of galaxy cluster mass selection mass selectionof aquatic species mass sensitive detector mass sensitivity mass separator mass service system mass service system with delay mass service system with rejection mass shell mass-shell condition mass-shell subtraction scheme

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