呼吸器

Reducing the pressure inside the skull is done with drugs and by placing the patient on a respirator and artificially hyperventilating him.

通过药物，让病人使用呼吸器，以及人工通气的方式可以减少颅脑内部的压力。

3M respirators are not designed for children.

3M的呼吸器不是为儿童使用设计的。

No change has been made to guidance on the use of facemasks and respirators for health care settings.

对医疗机构使用口罩和呼吸器的建议目前没有变化。

Two of the babies have been placed on the respirators.

其中两个婴儿放上了呼吸器。

Bull; 3M respirators are not designed for children.

3M的呼吸器不是为儿童使用设计的。

For greatest effectiveness respirators need to be worn before and during the entire exposure period.

最有效的呼吸防护是在暴露之前佩戴呼吸器，并在暴露期间一直佩戴。

However, it is important to understand that proper use of respirators only reduces your exposure to particles and does not prevent the risk of some exposure.

然而，重要的是要能理解，正确使用呼吸器只能降低您对颗粒物的暴露水平，但不能完全把风险消除掉。

Bull; For greatest effectiveness respirators need to be worn before and during the entire exposure period.

最有效的呼吸防护是在暴露之前佩戴呼吸器，并在暴露期间一直佩戴。

Respirators are not recommended for children or people who have facial hair.

呼吸器不建议给儿童使用，面部有毛发的人也不建议使用。

"I was down there watching people working without respirators," Newman says.

&我坐下眼看著人们工作，没有呼吸器，&纽曼说。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。