正在

Refrigeration air-condition system now is one of the most energy-consuming systems in the world.

制冷空调系统正在成为世界上消耗能量最多的耗能系统之一。

Central air-conditioning system is a systematic project by the fans pumps air-conditioning units fan coil units and other components.

本次设计主要运用变频器在空调节能上的改造，将大大改变能源的消耗，符合国家目前正在大力提倡的节能减排政策。

To meet people's needs and building air-conditioning systems is the popularity and rapid development.

为了满足人们的需要，建筑物空调系统正在快速的普及和发展。

One day in August I was building a brick wall in an air-raid shelter when there was an enormous explosion.

8月的一天，我正在一座空袭掩体旁边搭建防卫墙，当时我四周的爆炸声不绝于耳。

Anyway, at some point while reworking the image with the airbrush and smudge tool I reached the following stage.

不管怎么说，在某些步骤，当我正在重新用喷枪和手指工具画画的时候，我也得到了接下来的这个结果。

Practice: Your aircraft carrier is waiting for your return!

练习： 你的航空母舰正在为你的返回等待！

And he's waiting at the airfield?

他正在飞机场等我们吗？

Reggie said airily,"Jamet's expecting me. We have AN appointment."

雷格旁若无人地大声说，"贾米特正在等我，我们有约会。"

Sherry: Hmm, you're working on the interview with the airline pilot and the New York shopping article, right?

雪莉： 嗯，你正在写访问机长以及在纽约购物的文章是吗？

"We just had to be ourselves and pretend like we were doing a real mission," Airman Dunk said.

"我们只需做好自己并且佯装自己正在进行一项真实任务即可，"敦克下士说。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。