“press-in ventilation”的概念、定义、翻译、参考文献-科学参考

单词	press-in ventilation
释义	press-in ventilation Encyclopedia 工学施工通风释 press-in ventilation压入式通风将通风机设置在洞口外，风管的出风口设在掌子面附近，在通风机的作用下，新鲜空气从洞外经通风管路送入掌子面，稀释有害气体和粉尘后，经隧道排出洞外的措施。
随便看	connected loop connectedly connected manifold connected neighborhood connectedness connectedness between herds connectedness number connectedness of real numbers connected net connected network connected number connected pair of functors connected part connected path connected piece connected polyhedron connected product connected region connected relation connected ring connected scheme connected semigroup connected sequence connected sequence of functors connected set

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