查询词典 respirators

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。

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

为了最大限度地发挥口罩的功效，请在暴露于危险空气之前及整个过程中佩戴。

Objective To analyze the clinical data of92serious cases which treated by respirators in order to elevate experience of using respirator.

目的 本文通过对危重病人呼吸机通气支持的92例病例分析，以提高应用呼吸机的诊治水平。

3M is in contact with global agencies,respirators is sent to high priority areas.

3M公司与全球代理商，分销商以及客户紧密联系确保足够的口罩被用于最需要的地区。

These respirators are designed for single use.

这些呼吸防护口罩设计为一次性使用。

"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。

Respirators should be considered for use by individuals for whom close contact with an infectious person is unavoidable.

对于无法避免与具有传染性的人士密切接触的人，应考虑使用呼吸器。

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

为了最大限度地发挥口罩的功效，请在暴露于危险空气之前及整个过程中佩戴。

These may be bought without a prescription. These FDA-cleared respirators may not be available in your area.

购买这些呼吸防护口罩不需要医生的处方，但在您的地区可能还无法获得这些经FDA批准的呼吸防护口罩。

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。