通风的

Since the high concentration of helium vapors is completely dangerous,experiment was conducted in the well aired environment.

由于高浓度的氦蒸气完全危险，试验在比较好的通风下进行。

In the exploitation conditions permission's situation, should use advanced as far as possible longitudinal ventilates way

在使用条件许可的情况下，应该尽可能采用先进的纵向通风方式。

In the exploitation conditions permission's situation, should use advanced as far as possible longitudinal ventilates the way

在使用条件许可的情况下，应该尽可能采用先进的纵向通风方式。

In the exploitation conditions permission\'ssituation, should use advanced as far as possible longitudinal ventilates the way.

在使用条件许可的情况下，应该尽可能采用先进的纵向通风方式。

Coating areas, resulting in high workplace concentrations,(2) LEVs venting back into the workplace and 3

备，导致工作场所的废气浓度高，(2)废气漏回车间和，(3)无效的排气通风设备。

The air for cooling is usually passed through a battery of water jets and dried before using.

为达到通风冷却效果，用量为0.03-0.15立方米每分钟的冷空气约需要每千伏-安培的额定容量。

Shenyang Blower Ventilation Co., Ltd. has the biggest fan test running bed in Northeastern area and the power of this new bed can reach to 3200kW.

沈阳鼓风机通风设备有限公司建设有东北地区最大的工业风机性能试验基地，此次投资建设的风机产品试车台试车功率达3200kW。

General experience is that at room temperature about 20 degrees when a well-ventilated room, Internet browsing, Centrino notebook CPU fan, it should be in every 20-30 minutes to start time, about 5 minutes to stop the work of energy conservation work.

一般的经验就是在室温二十度左右的时候，室内通风良好，上网浏览网页，迅驰CPU的笔记本风扇，应该在隔二十到三十分钟启动一次，工作五分钟左右停止工作节能。

E. Factors affecting the design of substations, main switchroom, transformer room and emergency generator room such as clearance space, ventilation requirements, layout of electrical equipments, accessories etc.

影响设计电力分站、主开关房、变压器室及紧急发电室的因素，例如间隙空间、通风设备、电力设备的配置和附件等。

This valve is widely used in the pipe system transporting coal gas, natural gas, venting and environment protection in building material, glass, mining, power, light industry and papermaking departments.

电动气体切断阀，适用于建材、玻璃、矿山、电力、轻工、造纸等行业的能源输送管道的煤气、天然气、通风、环保工程等管道系统中。

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％。