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- OSHA has established 19.5% oxygen concentration as the minimum for working without supplied air. OSHA确定19.;5%25作为没有补充空气情况下工作时氧的最小浓度。
- OSHA sets a minimum limit of 19.5% oxygen for work areas. Working in concentrations below this level requires use of a supplied air source. OSHA规定工作区域的最低氧浓度为19.;5%25。在低于这个水平下工作要求使用空气补给源。
- Provide adequate ventilation in areas using argon. Provide monitoring for areas where oxygen displacement may occur. OSHA has established 19.5% oxygen concentration as the minimum for working without supplied air. 必须为正在使用氩的地方提供充分的通风。对氧迁移可能发生的地方进行监测。OSHA确定19.;5%25作为没有补充空气情况下工作时氧的最小浓度。
- 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。
- When it is necessary to work in oxygen deficient atmospheres, supplied air must be provided.Air can be supplied with either an air-supplied face mask or self-contained breathing apparatus (SCBA). 当必须工作在缺氧空气中时;必须提供补给空气.;使用空气补给面罩或自给式呼吸器(SCBA)来补给空气
- Workers in the "dirty room" must wear air suits much like space suits. 在“非洁净室”中工作的人都必须穿上像宇宙飞行衣那样的安全衣。
- Engine starting is accomplished by supplying air from the pneumatic system through the start valve to the starter. 发动机起动过程通过发动机增压系统提供空气经过起动活门给起动器来完成。
- The most common method of supplying air to the bag is by a blowpipe, or blowstick, into which the player blows. 最常见的向风袋输送空气的方法便是用导管或者棍子。
- A booster relay controls a pinch valve by supplying air pressure to the valve body. 升压继电器通过控制输送到阀体的气量来实现对夹管阀的控制。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- The J-10 adopts an adjustable, chin-mounted air intake that supplies air to the single Lyulka-Saturn AL-31FN afterburning turbofan jet engine. J-10采用了一个可调节机腹进气口为一台留里卡-土星设计局的AL-31FN加力燃烧涡轮风扇发动机提供空气。
- Most towns are supplied with electricity. 大多数城镇有电力供应。
- The penman designed the diameter of tube for led air and tube for supplying air in the device is reducing from upper part to low part, so the... 由于蔬菜脱水干燥初期,干燥过程以热风对流换热为主,干燥后期以远红外辐射换热为主,设计的供风管和引风管,其连接管直径自上而下依次减小,因此供给各层干燥箱的热风量自上而下也相应地减小。
- Adequate water is supplied to every household. 充足的水供给每一户家庭。
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏，使得每个人都频频吸气。
- During the intermission, let's go out for some fresh air. 幕间休息时，我们出去呼吸呼吸新鲜空气吧。
- Not associated with or supplied by blood vessels. 无血管的不与血管相关或不由血管供应的
- The air held a foretaste of a storm. 天气有要括大风的迹象。
- Food will be supplied unlimitedly in that area. 该地区的食品供应将不受限制。
