When the tank pressure of the gas control valve in the mechanical ventilator pressure within the breathing valve does not move and maintain airtight tank;

1、

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

两级式呼吸阀能保证油罐呼吸安全

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2、

She was breathing using an oxygen mask.

她正在用氧气面罩呼吸。

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3、

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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4、

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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5、

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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6、

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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7、

However humans are used to shallow breathing;

然而，人类已习惯于浅呼吸；

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8、

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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9、

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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10、

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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11、

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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12、

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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13、

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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14、

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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15、

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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16、

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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17、

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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18、

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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19、

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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20、

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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