查询词典 open air

A stream of cold air rushed through the open door.

一股冷空气从敞开着的门口窜了进来。

A third problem is severe respiratory disease and premature death from inhaling indoor air pollutants produced by burning wood or coal in open fires or in poorly vented stoves for heat and cooking.

第三个问题是严重呼吸道疾病和吸入室内空气污染物而过早死亡，是因产生的燃烧木材或煤在火中或密封炉的取暖和烹饪。

Dry-type valves use air pressure and water pressure acting on both sides of the flap valve torque difference control valve on the valve closed and open, generally can be divided into differential-type dry-type alarm valve and sealed dry-type alarm Flanged end gate valve valve two kinds of.

干式阀利用两侧气压和水压作用在阀瓣上的力矩差控制阀瓣的封闭和开启，一般可分为差动型干式报警阀和封闭型干式报警阀两种。

Dry-type valves use air pressure and water pressure acting on both sides of the flap valve torque difference control valve on the valve closed and open, generally can be divided into differential-type dry-type alarm valve and sealed dry-type alarm 800X Differential By-Pass Balancing Valve valve two kinds of.

干式阀利用两侧气压和水压作用在阀瓣上的力矩差控制阀瓣的封闭和开启，一般可分为差动型干式报警阀和封闭型干式报警阀两种。

Then the fabric of the balloon, or the envelope, is spread on the ground. A fan blows air into the envelope to help open it.

然后再将气球织布平铺在地面上，并利用风扇将空气吹入气球内以便撑开织布。

If global air-failure and valve is kept as FC, steam to reboiler will fail close , reflux will fail open , hence likely that safety valve will not blow.

如果整体气源中断，而阀门保持FC，到再沸器的蒸汽将故障关闭，回流将故障打开，因此安全阀有可能不会打开泄放。

If global air-failure and valve is kept as FC, steam to reboiler will fail close, reflux will fail open, hence likely that safety valve will not blow.

如果整体气源中断，而阀保持故障关，到再沸器的蒸汽将故障关闭，回流将故障打开，因此有可能安全阀不会打开泄放。

Results The open cycling air pressure control culture system worked effectively, the pressure inside the culture flask can be controlled from 0 to 100 mm Hg.

结果成功组装开放式压力控制培养系统，通过调节进出气流速度，可将培养瓶内压力控制在0～100 mm Hg（1 mm Hg=0.133kPa）之间。

Media Help Everyday we are exposed to the steam often divided into two, one, the boiler steam - saturated steam 2, thermal power plants out of steam - superheated steam 1, a relatively stable temperature and pressure saturated steam, temperature lower than 250 ℃, working pressure lower than 1.6Mpa 2, superheated steam temperature and pressure changes of a high base temperature up to 400 ℃, working pressure is lower than 4.0Mpa For the first steam, we usually use soft sealing steam solenoid valve as follows: Structural characteristics This valve is a valve and Balance valves main valve by the two vice components with the second open valve Pilot solenoid valve Heat: electromagnetic part, some with special high temperature seals and sealing materials, electrical materials, and apply a variety of insulation measures Wear: selection and reasonable Globe Valves guidance suite valve cup and clever use of fluid lubrication, reduce wear, increase life expectancy Resistance to condensation: condensation of steam pipeline valve on the steam water is an important factor in action, the valve will not affect the condensation water Other uses - soft sealing steam solenoid valve This series solenoid valve can Safety valves be widely used in textile, printing, chemicals, plastics, rubber, pharmaceutical, food, building materials, machinery, electronics, surface treatment and research sectors and bathroom, dining room, air conditioning automatic control system.

介质说明日常生活中我们接触到的蒸汽常分为两种，1、锅炉蒸汽-饱和蒸汽 2、热电厂出来的蒸汽-过热蒸汽 1、饱和蒸汽温度压力相对稳定，电动阀门执行器温度低于250℃，工作压力低于1.6Mpa 2、过热蒸汽温度压力变化基数较大温度最高可达400℃以上，工作压力则低于4.0Mpa 对于第一种蒸汽，我们通常会选用氧气专用阀、铜阀门软密封的蒸汽电磁阀如下：结构特点本阀是由副阀和主阀两大部件构成的先导式二次开阀的电磁阀耐热：电磁部分、密封件部分用特种耐高温电工材料和密封材料，并应用了各种隔热措施耐磨：选材合理，电站阀门阀杯和导向套间巧妙地利用流体的润滑作用，减少磨损，提高寿命耐冷凝：蒸汽管道的冷凝水是影响蒸汽电磁阀动作的重要因素，本阀则不受冷凝水影响其他用途-软密封蒸汽电磁阀本系列电磁阀还可广泛地应用平衡阀纺织、印刷、化工、塑料、橡胶、制药、食品、建材、机械、电器、表面处理和科研部门以及浴室、食堂、空调等自控系统。

To evaluate the efficiency of temperature dropdown by sprinkler and air-cooling fan in thermal environment of half and whole open dairy barn, and find the key technology of preventing heat stress at hot summer.

第三部分评价半开放式和开放式牛舍的温热环境及其喷淋和冷风机降温效果，揭示夏季防暑管理的关键问题。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。