单词：hybrid gas insulated metal enclosed switchgear
单词：hybrid gas insulated metal enclosed switchgear 相关文章
The Federal Opposition is demanding the government inspect all homes insulated under its failed scheme. More than one million homes have been insulated under the program. But the government's paying for just 200,000 of them to be checked. The Opposit
澳洲ABC新闻快递2010年
By Scott Stearns White House 25 April 2006 President Bush President Bush is temporarily suspending environmental rules on gasoline and deferring purchases for the nation's strategic reserves in hopes
2006年VOA标准英语（四月）
The judge in the New York City trial of accused terrorist Ahmed Ghailani has moved to insulate jurors from all news and information related to terrorism. Proceedings at the Ahmed Ghailani trial began Monday with a discussion led by Judge Lewis Kaplan
VOA标准英语2010年(十一)月
This weekend Why Tell Me Why were answering a viewer question about lightning safety. So you want to find out where the safest place to be is in the lightning storm. So where is the safest place to be? Actually, the safest place to be is inside an en
自然百科2009年
The fridge is one of your homes biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one of the best insulators known. But vacuum-insulated panels are too pricy for widespread use. Enter
60秒科学
If you visit upland areas of Britain places like the mountains of Scotland, or Wales, or the Pennine Hills in northern England you will see a lot of sheep. Many of the sheep are in places where there are no walls or hedges to keep them in their field
听播客学英语