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- pressure demand oxygen mask 肺式加压供氧面罩, 增压需求式氧面具
- An oxygen mask will come down from overhead in case of an emergency. 若发生紧急情况，头顶上会降下一只氧气面罩。
- demand oxygen mask 肺式供氧面罩, 需求式氧面具
- pressure demand oxygen system 肺式加压供氧系统
- If air is needed, the oxygen mask in the plane will pop down by itself. 如果空气缺乏，飞机内的氧气面罩会自动放下。
- The passenger grabbed for the oxygen mask. 这个乘客夺取了氧气面罩。
- An oxygen mask will come down from overhead in case of emergency. 如果发生紧急情况，头顶上会放下一只氧气面罩。
- Objective To find out the reason of "dithering" of exhalation valve plate in pressure oxygen mask under high overpressure condition. 目的找出加压供氧面罩呼气活门的活门板在高余压状态下发生“抖动”的原因。
- The oxygen mask is in the compartment over your head. 氧气面罩储藏在您座椅上方。
- An oxygen mask will come down from overhead in caseof an emergency. 若发生紧急情况,头顶上会降下一只氧气面罩。
- The car with its whirring air conditioning was like an oxygen mask. 配备了高功率空调的汽车就像一个氧气面罩。
- "He had to take off his oxygen mask to speak to the lads. “在他和别人说话时他得取下氧气罩。
- Oxygen masks are used in aircraft only in emergencies. 飞机上的氧气面具只用於紧急情况。
- Method Dynamic model of the exhalation valve plate in pressure oxygen mask was established.Aerodynamic force on the plate was determined by flowfield computing. 方法建立加压供氧面罩呼气活门板的动态数学模型,活门板上的气动力由流场计算确定,采用实验测量结合数值仿真的方法,对呼气活门板的动态特性进行了数值分析。
- If air is needed,the oxygen mask in the plane will pop down by itself. 如果空气缺乏，飞机内的氧气面罩会自动放下。
- An oxygen mask will come down from overhead in case of an emergency . 若发生紧急情况，头顶上会降下一只氧气面罩。
- Passengers who have severe altitude illness should ask for an oxygen mask. 高原反应比较严重的旅客也可以使用吸氧面罩。
- 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. 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。
- An oxygen mask will come down from the overhead in case of an emergency. 若发生紧急情况，头顶上会放下一只氧气面罩。
- Oxygen masks are used in aircraft only in emergencies. 飞机上的氧气面具只用于紧急情况。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
