“methane alarm”的概念、定义、翻译、参考文献-科学参考

单词	methane alarm
释义	methane alarm Encyclopedia 工学煤矿瓦斯爆炸释 methane alarm甲烷报警器具有检测甲烷浓度功能、在甲烷浓度达到或超过规定的浓度值时能发出声、光报警信号的仪器。又称瓦斯报警仪。
随便看	mean regression mean relative error mean residence time mean residence time of soil organic matter mean residual life function mean residue weight mean retention time mean return time mean right ascension mean run density means means and methods of warfare mean sea level mean sea-level mean sea level transfer mean sea surface mean shift mean sidereal day mean sidereal second mean sidereal time mean sidereal year means of consumption means of health supervision means of national economic management means of payment

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