您要查找的是不是：
- polarity checking device 极性检查装置
- Check Device Manager to see if the modem is installed correctly. 检查设备管理器以查看调制解调器是否正确安装。
- Check Device Manager to see if your USB ports or hubs are working properly. 检查设备管理器以确认USB端口或集线器是否工作正常。
- The Author introduces the principles of processing project, design and installation of checking device, innovation of electric hydraulic pressure in detail. 论文对方案的实施原则、检测装置的设计安装、液压电气系统的改造等作了详细介绍。
- Base on analyzing the process of grinding inner - circle of aerofoil bearing of M2110A grinder, An project of technology innovation which adding an Automatic checking device in M2110A grinder to improve machining efficiency is given in this paper. 通过对M2110A磨床翼型轴承座磨内圆加工过程的分析，提出了在M2110A磨床上加装自动检测装置以提 高翼型轴承座内圆磨加工效率的技改方案。
- The machine features are airfloating, vacuum clamping, high positing precision, easy operation. The machine is set with grinder for cutter and vacuum check device for workpice. 机床特点：全气浮、真空夹紧、自动定心、定位精度高、操作集中简便效率高，配备磨刀机和真空检测装置。
- The two systems of government are polar opposites. 这两种政体正好相反。
- HOENIG HEINRICH offers possibilities within the range Motorway sign-postings and checking devices as well as Plates. HOENIG HEINRICH是一家令客户满意的生产商和服务商，该公司提供新型的、门的产品，例如高速公路的告示牌,铭牌,闭锁装置。
- engine and transmission alignment checking device 发动机和变速器轴线检查仪
- Problem Analysis of Photoelectric Checking Device 光电检测装置应用中的问题分析
- The plumber made a careful check of the pipes. 管子工对管道做了仔细的检查。
- Portable Metal Magnetic Memory Checking Device 便携式金属磁记忆检测仪
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- Redundant characters often work as checking devices, as in parity and other checks. 冗余字符通常用作校验手段,如奇偶校验或其它校验。
- Fast Leak Check Device for a Heat Exchanger 换热器快速检漏装置
- Located or found in one of the Polar Regions. 环极的，围绕极地的位于或发现于一个极地区域中的
- The police are checking up on him. 警方正在调查他。
- In spite of vigilance a polar bear escape from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- Sunday is the best day to check the want ads. 星期天是在报纸上查寻招聘广告的最好的日子。
