Polluted insulators may flashover at any time under disadvantage weather conditions.在恶劣的自然环境下,积污绝缘子随时可能发生闪络.In comparison with simulation tests, the mechanism of guano - caused flashover is basically clarified.通过模拟试验的对照,...
But Emmons observed that at flashover, the hot smoky layer instantly drops down.但埃蒙斯观察到发生闪燃时, 热烟层瞬即下落.Before flashover occurs, a person in a burning room may crawl to safety along the floor.闪燃发生前, 着火房间里的人可沿着地板爬行到安全地带.Pol...
The purpose of this article was to explore academic origin of communication ascription of Public Relations.梳理出公共关系理论的由来和发展,以便于建立公共关系的传播学科知识体系.Israel and Palestine have not yet been in accord on the problem of Jerusalem&#...
This massive overbuild is being colossal scale of industrialisation.大规模的工业化正在造成这种过度累积.Untrammelled industrialisation, particularly in poor countries, is contaminating rivers and aquifers.不节制的工业化, 尤其是在穷国, 正在污染河流和地下含水层们.Te...