单词：ground-fault interrupter
单词：ground-fault interrupter 相关文章
April 18, 1906, California's San Andreas Fault snaps, shaking San Francisco for nearly 60 terrifying seconds .When the trembling stops, the disaster is only beginning. Gas lines rupture, setting off massive fires, some 700 people die. Most of the ci
国家地理2008年
Ground - Connecting the Earth to electrical equipment with a conductor. This is done so current overloads (perhaps due to a lightning strike) can be safely diverted to the Earth. Ground Fault Circuit
电信英语
US Postal Service on 'Brink of Default' 美国邮政濒临破产边缘 One of America's oldest institutions, the U.S. Postal Service, is teetering on the edge of default and must be radically restructured. That, according to the postmaster general, w
VOA标准英语2011年(九月)
Picture a living plane, and that gives you a sense of what Quetzalcoatlus would look like in life. And this is an animal that probably accelerates over 2.5Gs just on takeoff. Just beyond our comprehension. A Quetzalcoatlus is 10 times the weight of t
探索与发现2013年
I want love to roll me over slowly, Stick a knife inside me, and twist it all around. I want love to grab my fingers gently, Slam them in a doorway, Put my face into the ground. I want love to murder my own mother, Take her off to somewhere, like hel
The Voice 美国好声音
表示歉意 非常抱歉。 A: Im terribly sorry. Its my fault.非常抱歉，那是我的过错。 B： lets forget it. 算了吧！ 同类问句： Im sorry.很抱歉。 Excuse me. 对不起。 Sorry to have kept you waiting.对不起，让您久等
酒店英语口语就该这么说