真空

I mean to buy a vacuum next month.

下个月我打算买一台吸尘器。

His resignation has left a power vacuum at the head of the party.

他的辞职使得该党的领导位置出现了权力。

The daily housemaid hoovers the carpet every other day.

白天做工的保姆每隔一天用吸尘器把地毯弄干净。

Further mose, by installing vacuum pump on scutcher, hydration of time with fabric expanding.

此外，通过在打棉机上安装泵，织物的水合作用时间得以延长。

This article discussed the optimization of vacuum freeze-drying and succade process of flammulina velutipes .

讨论了新鲜金针菇的不同预处理法其冷冻干燥和蜜饯加工条件的优化。

He sells vacuum cleaners.

他经销吸尘器。

Packing : Product subpackage in double-decked plastic bag, vacuum packing.

产品分装于双层塑料袋中，包装。

In a10kV distribution system,when shunt ca-pacitors are switched off by vacuum circuit breakers,restrike overvoltage often occurs.

电力系统中使用断路器切除无功补偿用并电容器时,容易产生重燃过电,严重影响并电容的安全运行。

This machine is applicable to samming process before the drying processing in the vacuum, shaving and splitting processing course.

本机适用于猪、牛、羊皮在干燥，削匀，剖层前的挤水工序。

This paper introduces the working principle and blockdiagram of impulse magnet controlled discharge method that is used in the vacuity tester.

度测试仪在测试高断路器灭弧室度时具有操作安装简便、测试结果可信等优点。

Together with the vacuum debubbling barrel, injecting and forming the debubbled mud with the air pressure in the vacuum debubbling barrel.

与脱泡桶配套使用，利用脱泡桶中的气力将脱泡好的泥浆进行注浆成型。

ZJ type Roots vacuum pump can't discharge gases directly into the air,it should be equipped with a cowesponding prepump at operation.

ZJ型罗茨泵不能直排大气，运行时需配备相应前级泵。

Single chamber high pressure gas quenching vacuum furnace,double chamber and multichamber vacuum furnaces implementing the acetylene low pressure carburizing were briefly introduced.

简要介绍了实施乙炔低渗碳的单室高气淬炉,双室多室炉。

The vacuum system of the wet end of a papermachine could be a centralized system or some individual systems for the vacuum points.

造纸机湿段系统可以是:总的系统或各点独立的系统。

To the following surface treatment: sand blasting, oxidation, corrosion, laser carving, wholesale, laser welding, polishing, lampworking, PVD vacuum electroplating, oil-filled fonts.

能进行以下表面处理: 喷砂,氧化,腐蚀,镭雕,批发,激光焊接,抛光,拉丝,PVD电镀,字体填油.

Aluminum and titanium vacuum metallikon outside the glass bottle as a whole or in part, that produces a similar mirror reflection effect.

用铝和钛金属喷镀玻璃瓶在瓶内部的局部或局部爆发一种近似镜背的不直射成果。

It includes the function of vacuometer, atmospheric pressure altimeter, thermometer (environment) and pressuremeter (for example the standard pressure meter of sphygmomanometer calibration).

介绍一种便携、数字式的多用途仪器，它具有度计、气高度计、（周围环境）温度计以力计（例如可作为校准血计的标准器）等功能。

It is extensively practical and profession used in deaerate of raw materials, such as plastics, handicraft product, chemical engineering and porcelain and ceramics...etc.

该机广泛适用于塑胶、工艺品、化工、陶瓷等原料需脱泡()的各个行业.

According to clients' different demands we can product vacual bags, cooking bags, aluminium foil bags, compound food bags, sealed bags, and so on.

所生产的产品有，袋，蒸煮袋，铝箔袋，复合食品包装袋，封口袋。背心袋等包装产品。可根据客户需求设计，生产定做各种包装。

Abstract: The Gibbs free energy and critical reduction temperature of vacuum silicothermic reduction producing metallic strontium were calculated and analyzed by thermodynamics.

摘 要: 采用热力学法计算并分析硅热法炼锶的反应自由能和临界还原温度。