“dry-chemical fire extinguisher”的概念、定义、翻译、参考文献-科学参考

单词	dry-chemical fire extinguisher
释义	dry-chemical fire extinguisher [¦drī ´kem·i·kǝl `fīr ik´stiŋ·gwǝ·shǝr] ^{CHEMICAL ENGINEERING} A dry powder, consisting principally of sodium bicarbonate, which is used for extinguishing small fires, especially electrical fires.
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