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- oil free high vacuum system 无油超高真空系统
- GDC-5 electro high vacuum flapper valve is mounted in vacuum pipeline to put through or cut off the airflow in vacuum system, or used as a charging vale. 简单介绍： GDC-5型电磁高真空挡板阀是连接在真空管路上，用来接通或截止真空系统中的气流，或作充气阀用。
- The atmospheric pressure discharges (APDs) have many advantages because they do not need a high vacuum system and show to be of great prospect for a number of industrial applications. 大气压放电因为不需要真空系统，便于工业应用。
- Electro High Vacuum Flapper Valve GDC-5 electro high vacuum flapper valve is mounted in vacuum pipeline to put through or cut off the airflow in vacuum system, or used as a charging vale. GDC-5型电磁高真空挡板阀是连接在真空管路上，用来接通或截止真空系统中的气流，或作充气阀用。
- GDC-5Electro High Vacuum Flapper Valve GDC-5 electro high vacuum flapper valve is mounted in vacuum pipeline to put through or cut off the airflow in vacuum system, or used as a charging vale. GDC-5型-电磁高真空挡板阀 GDC-5型电磁高真空挡板阀是连接在真空管路上，用来接通或截止真空系统中的气流，或作充气阀用。
- THE RESEARCH ON OIL FREE PROGRAMMED CONTROL EQUIPMENT FOR EXHAUSTING HIGH VACUUM 程控无油超高真空排气台的研制
- This model system is suitable or non-corrosive gases, widely used in the different kinds of vacuum systems for higher suction speed and high vacuum. 适用于抽除空气及其它无可凝性及无腐蚀性的气体，广泛应用于需要大抽速和高真空的各种真这系统中。
- Experimental methods for two kinds of non-oil ultra high vacuum system 两类无油超高真空系统的实验方法
- MFC GAS Feedthrough Numbers? Mass O2 needed? (It means: Protection against Reoxidation needed. Oil Free Pump needed. High speed and ultra-high vacuum Pump needed. 流量控制器气体通道种类、数量？是否需要大量氧气？(是否意味着：因为要防止二次氧化而需要无油真空泵和高速、超高真空泵。
- Configure oil free and oil clogging alarm in lubricating system. 在润滑系统中配置无油及油堵塞报警。
- Glycerin was added to esterify with free fatty acids in rice bran oil containing high acid value under the conditions of high temperature, high vacuum and being catalyzed. 在高温真空及催化剂存在的条件下;加入一定量的甘油;可使高酸价米糠油中游离脂肪酸发生酯化反应.
- The whole apparatus operates under high vacuum. 整个装置在高真空下运转。
- Vacuum system designed for high speed and high temperature applications. 适用于高温高速的抽真空装置。
- Oil free,None pore clogging.Non-irritating .Ophthalmologist-tested. /无油;不会堵塞毛孔;不含防腐剂;通过眼部过敏测试.
- Used to drive the relays that actuate the dual vacuum system. 用来驱动控制双真空系统的继电器。
- If a portable compressor is used, it should be oil free and well cooled to avoid the risk of explosion in the system under test. 如果采用移动式压缩机，则应是无油压缩机且冷却性能良好，由此避免测试时系统中的爆炸危险。
- Vacuum gauge mounted on vacuum system mounting platform. 真空计、真空系统装备平台。
- Review this manual before operating this vacuum system. 请在操作之前阅读使用说明书。
- They are demonstrating in favour of free higher education. 他们举行示威游行，要求实行免费高等教育。
- To preserve(food,for example) by rapid freezing and drying in a high vacuum. 使冷冻干燥通过在高度真空状态下迅速冷冻并干燥来保存（如食物）。
