单词：vacuum ventilation
单词：vacuum ventilation 相关文章
[00:-2.00]SICK BUILDINGS [00:-3.00]A wealthy American businessman [00:-4.00]has just bought a small insurance company in South east Asia. [00:-5.00]He has not visited it yet. [00:-6.00]After he bought it,he heard that the staff were often sick. [00:-
高中英语牛津版高三
She inspected the carpet for small items. She saw a paper clip and a rubber band. She picked them up. She put them into a little box on the kitchen counter. She plugged in the vacuum cleaner. She turned on the switch. The cat ran out of the room. She
原版英语小短文
This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one
Scientific American(五)月
VT tidal volume 潮气容积 TLC total lung capacity 肺总量 VC vital capacity 肺活量 IC inspiratory capacity 深吸气量 ERC expiratory reserve capacity 补呼吸量 RV residual volume 残气容积 FRC functional residual capacity 功能残气量
医学英语
The idea is to build five major ventilation corridors, running from northern suburban areas to the south. They would be created by connecting Beijing's parks, rivers, lakes, and highways along with the capital's green belts, and possibly also by limi
2016CRI中国国际广播电台