您要查找的是不是：
- The passenger oxygen system provides an emergency oxygen supply to the passengers and attendants, this system consists of passenger sevice units, control and indication. 旅客氧气系统为旅客及乘务员提供应急氧气，系统包括旅客服务设备，控制及指示器。
- emergency oxygen flush and shunt valve 抢救用氧灌气和分流活瓣
- 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。
- Effect of Cabin Decompression Time on Parameters of Emergency Oxygen Supply 座舱减压时间对应急供氧参数的影响
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Please locate the nearest emergency exit. 请指明最靠近的太平门位置。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- She has the ability to keep calm in an emergency. 她有处变不惊的本事。
- You should only use this door in an emergency. 在紧急情况下才能使用这扇门。
- It is important to keep/stay calm in an emergency. 在紧急情况下保持镇静是很重要的。
- Mars is too dry and poor in oxygen. 火星上面过于干燥，并且缺乏氧气。
- I'm looking for the emergency room. 我正在找急诊室。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- Computer simulation of an in-flight emergency. 计算机模拟飞行途中的紧急情况
- The patient was asked to ring the bell in an emergency. 要求病人在有紧急情况时按铃。
- The Government proclaimed a state of emergency. 政府宣布了紧急状态。
- We took the emergency in our stride. 我们泰然地处理了紧急情况。
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- People were convened here for an emergency meeting. 人们被召集到这里举行紧急会议。
