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

单词	operation ventilation
释义	operation ventilation Encyclopedia 工学运营通风释 operation ventilation运营通风为排出运营期间隧道及地下工程内部的有毒有害气体、烟尘、热量和湿气等，以达到符合卫生标准的空气环境，保证人员安全、车辆安全运行和设备正常使用所进行的洞内外气流交换工作。
随便看	convertin convertion compound convertor convex convex algebra convex analysis convex angle convex arc convex body convex-body theorem convex broken line convex cell convex circled set convex closed curve convex closed set convex closure convex closure of a saddle function convex closure of a saddle-function convex closure of saddle function convex combination convex-compact mapping convex-complex space convex-concave convex concave function convex-concave function

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