电晕放电和刷毛状放电只是从放电点处逐个地发生.The corona or brush discharge, would transfer from point to point.在存在电晕的区域, 形成了大量正离子和负离子.In the region where the corona exists, large numbers of positive and negative ions are formed.利用直流高压电晕产生的非平衡...
I hate to trouble you, but Aunt Lina's birthday is coming up and I would like to buy something nice for her.我真不愿打扰您,但莉娜阿姨的生日就要到了,我想给她买点好东西。Sis Lina is at a desk answering the questions about lodging.李纳姐妹在服务台上回答住宿的问题...
I drove back down the highway at normal speed.我以正常车速沿公路返回。I'll take you back down to the valley.我会带你返回下面的山谷里。He freewheeled back down the course.他沿原赛道滑了下去。...