以下为句子列表：
英文: All the rooms that will install bio-safety cabinets should not run under positive pressure and need no requirements in cleaning degree.
中文: 凡是安装生物安全柜的实验室不宜正压,对房间净化可不要求.例如:霉菌实验室、微生物检验实验室和结核病实验室.
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英文: Analyses the main malfunctions of HVAC systems and represents some design principles to ensure room non-positive pressure in the worst case, namely the exhaust system breaking down and the standby exhaust equipment switched on automatically.
中文: 分析了系统运行中的主要故障，给出了最不利状况即排风系统停机故障、排风设备自动切换时，避免房间出现正压的部分设计原则。
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英文: Firemen should wear proper protective equipment and positive pressure self-contained breathing apparatus.
中文: 消防员须身穿保护装置及正压呼吸设施.
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英文: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full facepiece operated in the pressure demand or other positive pressure mode.
中文: 如果发生火灾，请在要求的压力下，穿保护衣和国立职业安全与健康研究所批准的呼吸器械和口罩。
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英文: The bigger the effective eccentricity, the higher the upper drill string's lifting force, the higher the positive pressure on casing/drill string, and the more serious the wear.
中文: 有效偏心距越大，上部提升力越大，套管／钻柱之间的正压力将越大，磨损将越产重。
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