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。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。