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- high vacuum contact device 高压真空接触器
- The whole apparatus operates under high vacuum. 整个装置在高真空下运转。
- GID electric high vacuum butterfly valve uses electric device to drive the stemdisc to perform openclose action. GID型-电动高真空蝶是以电动装置驱动阀杆与阀板执行启闭动作。
- GID electric high vacuum butterfly valve uses electric device to drive the stem and disc to perform open and close action. GID型电动高真空蝶阀是以电动装置驱动阀杆与阀板执行启闭动作。
- GID electric high vacuum butterfly valve uses electric device to drive the stem and disc to perfm open and close action. GID型电动高真空蝶阀是以电动装置驱动阀杆与阀板执行启闭动作。
- GIDElectric High Vacuum Butterfly Valve GID electric high vacuum butterfly valve uses electric device to drive the stem and disc to perform open and close action. GID型-电动高真空蝶是以电动装置驱动阀杆与阀板执行启闭动作。
- Electric High Vacuum Butterfly Valve GID electric high vacuum butterfly valve uses electric device to drive the stem and disc to perform open and close action. GID型-电动高真空蝶阀 GID型电动高真空蝶阀是以电动装置驱动阀杆与阀板执行启闭动作。
- GIDElectric High Vacuum Butterfly Valve GID electric high vacuum butterfly valve uses electric device to drive the stemdisc to perform openclose action. 是以电动装置驱动阀杆与阀板执行启闭动作。
- GID Electric High Vacuum Butterfly Valve GID electric high vacuum butterfly valve uses electric device to drive the stem and disc to perform open and close action. 产品特点： GID型-电动高真空蝶是以电动装置驱动阀杆与阀板执行启闭动作。
- 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）。
- 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）
- In high vacuum state,the damp water in leather can be largly pumped. 由于皮张处于高真空状态，水分抽出量增大，可缩短干燥时间令产量上升；
- Differential pressure measuring instruments with magnetic piston and compression spring, Nominal size ND 80, with or without electric contact device. 带有磁性活塞和压缩弹簧的差动式压力测量仪表,标准尺寸表径80,有或没有电接点。
- The cubage of the tube is small and high vacuum will be got very quickly. 计算结果表明：二极管的工作场强低于真空闪络场强；
- In this paper,the fabrication of carbon fiber/Ag(Cu)matrix composites and its application in electrical contact device has been studied. 本文研究了碳纤维／银（铜）基复合材料的制造方法，并应用于开关触点、电刷等。
- The reason for exploitation of Cr-Cu series was discussed in view of the advantages and developments of vacuum swith, the technical vequirements and principles for rhc selection of vacuum contact materials. 本文从真空开关的优点及其发展、真空触头材料的技术要求及选择原则,论述了开发Cr-Cu系触头的必要性。
- A high vacuum in the fuel tank can cause atmospheric pressure to collapse the tank. 燃油箱内的高真空，会引起大气压力压塌油箱。
- Used either solely as Rough Pumps, or in combination with other high vacuum pumps as Backing Pumps. 可单独作低真空泵用,也可与其它高真空泵组合作前级泵用。
- Leakage and degassing rate is an important parameter to evaluate the performance of high vacuum multi-layer insulated dewar. 漏放气速率是评价高真空多层绝热杜瓦性能的一个重要指标。
