在建成50周年那天，金门大桥发生了什么？
What happened to the Golden Gate Bridge on its 50th birthday?
雷神山医院和火神山医院在两周内就迅速建成了。
Leishenshan Hospital and Huoshenshan Hospital were built fast in two weeks.
他们称他们可以把应用范围扩大到空调中，并且打算建成一批3.5千瓦，等同家用基本型的设备，安置在建筑物四周。
They say they can scale it up for use in air conditioning, and aim to build 3.5-kilowatt devices – equivalent to a basic home model – which could be dotted around buildings.
应用推荐