查询词典 vacuum

The development of the ideas of aether and vacuum in physics was reviewed systematically.

本文系统地回顾了物理学中以太与真空观念的发展，指出在现代物理学中真空在本质上是一种以太。

You're just going to have to step it up a little: replace that liquid-measuring cup with a more accurate dry-weight scale; get a vacuum sealer like that FoodSaver gadget and a Crock-Pot that stays at a precise temperature so you can sous vide meat (which involves cooking it in a bag for a long time in a low-temperature water bath); learn how to use simple chemicals like agar-agar and xanthan gum (just better versions of gelatin and cornstarch, really); review a little high school chemistry.

你只需要循序渐进的学习：用更精确的干重测量代替液体量杯；准备一个真空密封器如FoodSaver，还有Crock-Pot，它可以让你保持准确的温度，这样你就可以随时调整肉的情况（包括放在袋子里用低温水煮食的肉）；学习怎么使用一些简单的化学品，如洋粉、黄原胶（实际上是明胶和太白粉的升级版）；复习一下高中化学。

Vacuum process Iron plate Trame,Bass section terminat-ed by agraffe.

真空处理的钢板、低音区由搭扣终止。

As for seeding small cultivated, Itianly Agricola Company SN-1-130 vacuum planter has many special places on its structural design, manufacture technology.

就播小粒种子而言，意大利生产的SN-1-130气吸式精密播种机的工作性能较为理想，在其结构设计、制造技术及工艺组合有诸多独道之处。

Dr. Lee de Forest reads a paper before an AIEE meeting on the Audion, first of the vacuum tubes that would make long distance radiotelephony possible.

在一次AIEE会议之前，李。德福雷斯特博士阅读了一篇关于三极管的论文。电子管的首次使用将使长途无线电话变为可能。

Ltd. sales of imports in Europe Japan and Taiwan and other well-known brands of vacuum pumps blower and small air compressors and other related products.

东莞市山叶商贸有限公司，销售进口欧洲、日本及台湾等知名品牌的真空泵，鼓风机及小型空气压缩机等相关产品。

The raw material as clay enter the material box after vacuum clean ,will be molding bye the knife blow ,when change the different model ,it will make different type air brick .

泥土等原料通过真空净化后，进入受料箱，由下级绞刀挤出成型，当机口采用不同模型时，可生产各种规格的空心砖。

Central air conditioners should be regularly cleaned air conditioner condenser and evaporator coil, using brush and vacuum cleaners, washing the dust on the coil.

中央空调要定期清洗空调器的冷凝器和蒸发器盘管，使用毛刷和吸尘器清洗盘管上的灰尘。

The quality changes of pakchoi in cold storage with vacuum cooling and air cooling, at 2℃ for 7 days, 10 days, 14 days, 19 days and 29 days were studied.

摘 要 试验研究了小白菜采后真空冷却和空气冷却后，在2℃条件下冷藏7天、10天、14天、19天和29天的品质变化。

Our company main products: vacuum blower, environmental protection, air conditioning, water curtain cooling system.

公司主要产品有：负压风机、环保空调、水帘降温系统等。

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。