The inhabitants and other internal loads create an up wards flow due to their buoyancy.

This was mainly caused by the over-sized equipment, large supply-air temperature difference, and air short circuit.

设备选择过大 、 送风温差过大 、 新风短路是造成这一现象的主要原因.

Both increase the use of fresh air fan coil unit-the new air system.

均采用新风机组加风机盘管 — 新风系统.

Though with a long history , the natural ventilation systems with ducts are full air systems.

管道式自然通风系统的使用由来已久, 该系统为全新风系统.

From the air units, air through the main along the vertical pipe to each layer.

从新风机组送出的新风通过主管道,沿立管送到各层.

Multi-function hall, bar, gym hotels are equipped with special air system renewal.

多功能厅 、 酒吧 、 健身房均装有酒店专用换新风系统.

I have not followed you for eight years for nothing.

我追求了你八个年头,不是毫无缘由的.

I learned a lot. In fact, that's why am taking it again.

我学到了很多东西, 理论上, 这也是为什么我又学一遍的缘由.

Drug needle-sharing is one of the main reasons for increasing virus infections.

共用针头注射毒品是艾滋病人数不断增加的主要缘由之一. 用英语怎么说?

There are many reasons for the soaring investment fever.

出现这一高涨不止的投资热有多种缘由.

Under the invited graduate comes on stage sends answers the thank-you speech, everybody welcome!

下面有请毕业生上台致答谢词, 大家欢迎!

The night opens the flowers in secret all allows the day to get thanks.

黑夜悄悄地把花开放了,却让白日去领受谢词.

The night opens the flowers in secret and allows the day to get thanks.

夜秘密地把花开放了,却让白日去领受谢词.

Most of the gawkers at the rally are foreign tourists.

发言者陆续致感谢词及对大脑控制技术的研究.

Who made the opening speech?

谁致的开幕词?

He is invited to give an opening speech.

有人邀请他致开幕词.

The manager made a brief statement to open the meeting.

经理致了简短的开幕词.

He was asked to give an opening speech at the meeting.

有人请他在会上致开幕词.

The university president's opening speech is encouraging.

大学校长的开幕词鼓舞人心.

Mr. Smith delivered the opening speech.

史密斯先生致开幕词.

First, Let's invite the principal Mrs Zhang of Xinghong Primary School to give us a speech.

首先, 让我们邀请张校长为本次英语节祝闭幕词.