“miner's self-rescuer”的概念、定义、翻译、参考文献-科学参考

单词	miner's self-rescuer
释义	miner's self-rescuer [`mīn·ǝrz ¦self `res·kyü·ǝr] ^{MINING ENGINEERING} A pocket gas mask effective against carbon monoxide; air passes through a cannister containing fused calcium chloride before entering the mouth.
随便看	subspecies substance substance P substandard propagation substantive dye substation substellar point substituent substitute mode substitution substitutional impurity substitution alphabet substitution cipher substitution method substitution reaction substitution solid solution substitution weighing substitutive nomenclature substrain substrate substratosphere substratum substring substructure subsurface contour

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