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- Powered air purifylng 送风过滤
- Refer to the User Instructions for the specific facepiece or Powered Air Purifying Respirator (PAPR) unit and headgear used to identify the components that can be cleaned. 应参考具体型号的呼吸器面罩或电动送风过滤式呼吸器（PAPR）和头罩的使用说明书，了解可以清洗的部件。
- Optically powered air core current transformer applied in circuit breaker is reported in several aspects including the theory,the structure and the properties. 介绍了一种应用于断路器中的光供电式空心电流互感器的原理、结构及性能。
- Such protection can be accomplished by a disposable filtering facepiece (e.g., N95, surgical respirator), a reusable elastomeric respirator or a powered air purifying respirator (PAPR). 防护措施可以是随弃式呼吸防护口罩（比如N95呼吸防护口罩，医用呼吸防护口罩），可更换式呼吸器橡胶面罩，或电动送风过滤式呼吸器（PAPR）。
- The sales amount of disposables, cartridge, supplied air and powered air account for the total sales of the respirator in turn were 39%, 34% and 22%, 3M company shared the 84% market. 用即弃型、滤芯型和供气型呼吸器的销售额依次占有呼吸器销售总额的39%25、34%25和22%25,3M公司占有84%25的市场份额。
- America would also continue to exert influence, the report says, through its powerful air, ground and naval deployments in Kuwait, Bahrain and Qatar. 报告指出，美国将继续在科威特，巴林和卡塔尔部署强有力的海陆空部队以保持其影响力。
- The king was shorn of his power by his nobles. 国王被手下的贵族们剥夺了权力。
- The ships required the protection of naval and air power. 船只本身需要海军和空军的保护。
- Open tender for purchasing power transformer. 公开招标购买电力运输设备。
- James unleashed his power on Susan in revenge. 杰姆斯利用权力报复苏珊。
- Industry is a heavy user of electric power. 工业需耗费大量的电力。
- There was a power cut and all the lights went out. 因停电所有的灯都熄灭了。
- A new nuclear power station is on the stocks here. 这座新的核电站在建造之中。
- By power we mean the rate of doing work. 我们说功率就是指做功的速率。
- The media have a lot of power today. 现在大众传播媒介有很大的力量。
- The medicine did his stomachache a power of good. 这种药对他的胃痛疗效显著。
- He values himself on his conversational power. 他常夸耀自己的交谈能力。
- He succeeded in worming himself into power. 他成功地爬进了掌权阶层。
- The soldiers blew up the enemy power plant. 士兵们炸毁了敌人的发电厂。
- He misdeemed the power of the opposition. 他对对方的实力作了错误的估计。
