Two-step Breathing Valve Can Ensure the Safety of Oil Tank

1、

她正在用氧气面罩呼吸。

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2、

If you're not feeling well or have symptoms such as fever, fatigue, cough and trouble breathing, a mask is also needed to prevent you from spreading viruses to others.

如果你觉得不舒服或者是出现发热、乏力、干咳、呼吸困难等症状，也应该佩戴口罩，防止病毒传染给其他人。

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3、

Connected with the exhaust vent of the breathing mask or the respirator by corrugated tubes, this device gathers exhalation containing a large amount of causative agents through the completely leakproof ductwork and then expels purified air after multiplicate disinfection by high temperature, high pressure and chemical disinfectant.

该装置以波纹软管与呼吸面罩或呼吸机上的排气孔连接，于完全密封的管道系统收集含有大量致病因子的呼出气，经高温、高压及化学消毒剂等多重杀毒灭菌后排出清洁空气。

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4、

Wear a breathing mask with an active carbon filter; do not inhale fuel vapours.

请佩戴带有活性碳过滤器的呼吸面具；切勿吸入燃油蒸气。

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5、

Breath-holding, shallow breathing and hyperventilating can all trigger something called the sympathetic nervous system ( SNS).

屏气凝神、呼吸短促和气喘吁吁都会触发交感神经系统。

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6、

However humans are used to shallow breathing;

然而，人类已习惯于浅呼吸；

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7、

The effect of positive end-expiratory pressure on the rapid shallow breathing index.

快而浅呼吸时呼气末正压通气的作用。

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8、

The main pipe, the branch pipe, and the breathing pipe all are hoses.

主管、支管和通气管均为软管。

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9、

A doctor had removed a breathing tube and was holding a phone to his face.

医生拿掉了氧气管，把电话举到他面前。

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10、

He was later seen nearby 'shouting and screaming'. The agitated yob was breathing heavily and holding a knife with blood on the handle.

但是他的左臂和肩膀已经被刺伤，随后有人看到他在附近大喊大叫。丧失理智的何某大喘着粗气，手里握着带血的刀。

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11、

Action: Lean the trunk forward slowly and you will feel stretching on lower back ( Fig6), keep breathing and holding the position for30 seconds.

动作：身体慢慢向前弯曲，你会感觉到背部被拉伸的感觉（图6）。

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12、

Clinical study of cerebrovascular reactivity in cerebral infarction by transcranial color Doppler ultrasound and breathing-holding test

经颅彩色多普勒超声结合屏气试验评价脑梗死患者脑血管反应性

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13、

They know that a seal swimming under the ice will keep a breathing hole open by its warm breath, so they will wait beside the hole and kill it.

他们知道在冰面下面游滳的海蹹呼吸的热渔会使冰面上出现洞口，于是他们帱在洞旁守侯并捕杀海蹹。

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14、

A polar bear may sit for hours at a breathing hole, waiting for a seal to surface.

一头北极熊会在呼吸口边坐上数个小时等待海豹出来换气。

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15、

And tourists breathing hole on the closed section of the humidity will have an appreciable effect.

而游客的呼吸对封闭洞段的湿度也有一定的影响。

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16、

The only way for air to go inside HDA is through the breathing hole.

唯一的途径空气进去HDA的是通过呼吸孔。

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17、

Objective: To investigate the treatment of pediatric asthmatic bronchitis attack of breathing space.

目的：观察治疗小儿喘息性气管炎喘息发作的疗效。

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18、

The Microcomputer Control System for the Breather Bag Sewing Machine

空气过滤纸袋缝纫机的单片机控制系统

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19、

The Improvement of Crankcase Breather for 4105 Diesel Engine

4105柴油机曲轴箱通风装置的改进

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20、

In this paper first analyses design calculation for axle curved vane type cyclone breather, then modifies some of the calculation for the vane shape and optimizes the design parameters for the vane shape and gives a brief design calculation.

分析了旋流煤粉燃烧器轴向弯曲叶片型旋流器的设计计算，修改了部分叶形计算，优化了设计参数的选取，提出了叶形主要参数的适配性，整理出了合理简化的计算步骤。

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