查询词典 backflow

Then it also analyzes the policy and tendency of Shanghai overseas talented person backflow.

然后分析了上海市海外人才回流的政策和趋势。

Further in Chapter 6, we analyze the conditions, channels and possible problems in the process of the backflow of talents to rural areas.

第6章进一步分析我国高等教育人才回流农村的条件、渠道及其中存在的问题。

The following test procedure is one of several that is recognized throughout the United States for verification of the functioning of Backflow Preventers.

下列检测程序是在美国通用的经过验证的防回流阀功能检验程序中的一种。

That's why Watts provides the incomparable Series 7 Backflow Preventers with dual check security.

这就是美国瓦茨提供无以伦比的双止回安全性的系列7防回流阀的原因。

However, the backflow may now be creating other side effects.

不过，眼下回流可能正在引发其它一些负面影响。

Watts Regulator offers a wide variety of backflow testing equipment, outlined in the following pages of this guide.

美国瓦茨提供宽广系列的防回流阀检测设备，本指南的下列网页对这些产品作了简介。

The 957 and 957RPDA backflow preventer should be tested by a certified tester at the time of installation.

在安装期间，957和957RPDA防回流阀应该由有资格证书的检验员进行检验。

Annual inspection is required of the strainer and the backflow preventer to insure proper operation of the device.

要求对过滤器和防回流阀进行年度检查，以确保装置的性能正常。

Then the thesis analyzes the situation of the Shanghai overseas talented person backflow, as well as its basic situation and characteristics.

然后分析上海市海外人才回流的现状，以及海外回流人才的基本情况和属性特征。

Can be temporarily removed for replacement of the backflow preventer without the need for replacement of freeze protection services.

可以暂时性拆卸，在不需要更换防冻装置的情况下，便于更换防回流阀。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。