一旦发生火灾或爆炸，切勿吸入烟雾。
S41:In case of fire and / or explosion do not breathe fumes.
一旦发生火灾，记住要清洁地面附近的空气。
In the event of a fire, remember the cleanest air is closest to the ground.
隧道一旦发生火灾，如果处理不当，将造成严重后果。
It will cause terrible disaster if a fire road tunnel catches is incorrectly treated.
一旦发生火灾，尽快让宝宝脱离烟雾环境是很重要的。
In the event of a fire, it is important to get the baby out of the smoky environment as quickly as possible.
一旦发生火灾，将造成不可挽回的经济损失和社会影响。
Once a fire breaks out, it will cause unrecoverable economic and social losses.
标牌上写着“一旦发生火灾，打破玻璃，按下红色按钮。”
The sign reads " In case of a fire, break the glass and push the red button."
城市隧道内一旦发生火灾，封闭狭长的特殊环境，将造成无法估量的灾难。
Once the fire is in the urban tunnel, due to the closed, narrow and long special circumstances, it would result in incalculable disaster.
一旦发生火灾，通过控制程序自动或手动开启气体灭火设备，实现喷气灭火。
Once fire takes place, the gas tire extinguishing equipment can be started up automatically or manually through the control program, thus achieving gas spraying and fire extinguishing purpose.
医院属于一类特殊的人员密集场所，一旦发生火灾，势必造成重大财产损失和人员伤亡。
Hospital belongs to a kind of special personnel dense place, once it breaks out of the fire, and will cause major property damage and casualties.
储油罐火灾控制工作重在平时的预防，一旦发生火灾，就要采取有效的火灾控制方法扑救。
Emphasis of fire prevention should be laid on precaution. Effective steps must be taken to extinguish fires once the accidents happen.
园区消防安全始终是物业公司关注的重点，高层楼宇一旦发生火灾极其危险，造成的严重后果将不堪设想。
The fire safety always been an important and focus issue. It will cause unimaginable serious consequence once a high building on fire.
电缆沟火灾蔓延迅速，高温有毒烟雾积聚，火灾扑救难度大，一旦发生火灾将造成严重的经济损失和人员伤亡。
The spreading of cable groove fire makes the poisonous smog of high temperature collect and it can cause great economic and human loss.
火灾时有发生，我们要做好以下几方面：首先要掌握消防常识，一是紧急呼叫常识，一旦发生火灾要立即报警；
Fire happen, we must complete the following several aspects: first, to master fire common sense, is an emergency call common sense, in the event of fire alarm immediately;
火灾逃生面具是一旦发生火灾，在场人员能迅速戴上阻燃、隔热的头罩，能保护生者不受伤害，安全离开火场。
Once fire takes place, people on the site can wear the fire escape mask, which is a fire-resistant and heat-resistant helmet, to protect themselves, so they can leave the fire safely.
消防重点部位是指火灾危险性大，一旦发生火灾职员伤亡大、损失大的，有可能影响整个酒店的经营的重要部位。
The fire security important section is the very important place, where will effect the operation of the whole hotel and lead people to hurt or dead, and destroy huge properties once the fire happens.
城市燃气输配系统主要分布在人口和建筑物集中的区域一旦发生火灾爆炸事故，将会造成严重的人员伤亡和财产损失。
The distribution system of city gas lies in the people and buildings gathering area. Once a gas fire and explosion accident happens, large people injuring and property loss will be caused.
矿井火灾避灾决策支持系统是“数字化矿山”建设中的一个重要组成部分，矿井一旦发生火灾将会带来极大的财产损失甚至人员伤亡。
The mine fire disaster decision support system is an important part of the digital mining construction. When the mine fire comes, it will bring great property damage or casualties.
随着行车速度的不断提高和长大隧道的不断增多，隧道内发生列车火灾的可能性也将增加，而一旦发生火灾人员的疏散救援也会非常困难。
With the continuous increase of traffic speed and the growing number of long tunnels, the possibility of train fires inside tunnels will also increase, and the evacuation will be very difficult.
一旦这些地方发生火灾，将比其他地方发生火灾所产生的后果严重得多。
When fires do happen in such places, they are far more devastating than would otherwise be the case.
一旦真的发生火灾，许多人就不知所措，不知道该干什么好了。
Many people are at a loss as to what to do in case of a real fire.
一旦真的发生火灾，许多人就不知所措，不知道该干什么好了。
Many people are at a loss as to what to do in case of a real fire.
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