Phone line usage jumps up during disasters because of people trying to confirm the safety of themselves or others. This can obstruct emergency phone calls, such as 110, 119.
灾难后电话的使用量会因人们确认自己或他人的安全而激增，使得拨打紧急电话，如110和119变得困难，所以请避免拨打不必要的电话。
Also, attention should be paid, management methods, requirements and emergency response system application in the usage of oxygen in practice are described.
还就实际工作中的氧气使用管理的注意事项、管理方法、要求，以及应急系统的应用进行了阐述。
Also, attention should be paid, management methods, requirements and emergency response system application in the usage of oxygen in practice are described.
还就实际工作中的氧气使用管理的注意事项、管理方法、要求，以及应急系统的应用进行了阐述。
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