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Open the air cock/vale.

打开空气旋塞/阀门。

Open the air cock/valva.

打开空气旋塞/阀门

For example, if an open test tube with some water in the bottom is placed in a room in which the air is relatively dry, water vapor will diffuse out through the column of air in the test tube.

例如，当一支底部有水的开口试管被放置在一间空气相对干燥的房间里，水蒸气就会通过试管中的空气柱散布出来。

If it is hot, the open air is the only air conditioning they get.

如果天气热，外面的空气是他们得到的唯一的空调。

Eurocontrol, an umbrella agency that coordinates air traffic across 38 European countries, said authorities will use satellite images to decide whether to open airspace, and rely less on computer models that indicated the ash cloud had spread over much of Europe.

负责协调38个欧洲国家空中交通的保护组织欧洲航空安全组织称，当局将利用卫星图像决定是否开放领空，并减少对计算机模型的依赖。计算机模型显示烟尘已扩散至大部分欧洲地区。

Harbin Development Zone is located in Harbin in northeast Asia is located in the center, water, land and air transportation extending in all directions, the Eurasian Continental Bridge is the first air corridor and an important hub in northeast China's Heihe, Suifenhe, Hunchun Manzhouli and 4 open border cities in the connection point.

哈尔滨开发区所在的哈尔滨市地处东北亚中心，水、陆、空交通四通八达，是第一条欧亚大陆桥和空中走廊的重要枢纽，我国东北黑河、绥芬河、珲春和满洲里4个沿边开放城市的连接点。

In this paper, the investigation concerning the mechanism and numerical calculation of flow and heat transfer of the cold air curtain in an open display cabinet is introduced.

本文介绍了敞开式食品陈列柜的冷风幕流动及换热机理和数值计算方面的研究状况，并分析了陈列柜冷风幕研究过程中存在的问

The investigation status concerning the mechanism and numerical calculation of flow and heat transfer and mass exchange of the cold air curtain in the open display cabinet are introduced.

介绍了水平低温展示柜内冷风幕流动及热质交换机理和数值计算两方面的研究现状，并分析了研究过程中存在的问题及其进

After operating 16 hours each time, open drain valve of air bottle and exhausted water.

3.5 每运转16小时后，应将空气瓶的放残阀打开，将水放尽。

Open the starting air root valve on the air reservoir and completely drain off the reservoir and the line.

打开启动空气根部的阀，彻底放空气瓶和系统中的残水。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。