“local exhaust system”的概念、定义、翻译、参考文献-科学参考

单词	local exhaust system
释义	local exhaust system Encyclopedia 工学局部排风装置释 local exhaust system局部排风系统利用局部排风罩将粉尘和有害气体在污染源处控制、收集并通过管道送至净化设备净化处理后外排，使工作场所空气符合卫生标准的装置。
随便看	almost integer almost integral element almost invariant almost invariant element almost invariant function almost invariant set almost isometric almost isometric operator almost isometric space almost isomorphic almost isomorphic group almost isomorphic space almost Kählerian structure almost linear system almost localized Fermi liquid almost metric almost metric space almost negative formula almost nilpotent endomorphism almost nilpotent group almost normal formula almost normal subgroup almost open almost open mapping almost open set

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