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,...
真正的学者不会夸示他的知识.A genuine scholar does not make a parade of his knowledge.小红经常向别人夸示自己有多贤惠.Xiaohong always boasts that she is genial and prudent.他骄傲地夸示他的毕业文凭.He proudly displayed his diploma....