Ash and toxic gases can cause lung damage and other problems , particularly for infants and the elderly 火山灰和有毒气体会导致肺损伤和其他问题，对于婴儿和老年人情况尤为严重。
If more and more cars run in the street , a large volume of poisonous gas will be given off , polluting the atmosphere 如果愈来愈多的小汽车奔跑在马路上,会排放出大量有毒气体,污染空气。
Gaseous material once leaks , it is very difficult to control in a limited area , wide spread disaster would happen 因此，事故状态下有毒气体的扩散，是安全评价中灾害后果评价的重要内容。
Electromagnetic compatibility - electrical apparatus for the detection and measurement of combustible gases , toxic gases or oxygen 电磁兼容性.可燃气体有毒气体或氧气检测和测量用电气设备
Electromagnetic compatibility - electrical apparatus for the detection and measurement of combustible gases , toxic gases or oxygen 电磁兼容性.可燃气体有毒气体或氧气的检测和测量用电气设备
When toxic or hazardous processes are used , due regard shall be taken of the safety of the persons within the test area 在处理有毒气体过程中或危险作业时,我们应该考虑到测试领域相关工作人员的安全
During the same two to three minutes the aircraft interior will be filled with toxic fumes , which can ignite causing a flash fire 在同样的2 - 3分钟内，飞机内部将充满有毒气体，并有可能引发闪燃情况的出现。
As more and more cars are running on the streets , so the emission from their exhaust - pipes contains an ever larger volume of poisonous gas 随着越来越多的小汽车在路上跑，排气管排出的有毒气体也越来越多。
Electromagnetic compatibility - electrical apparatus for the detection and measurement of combustible gases , toxic gases or oxygen ; german version en 50270 : 1999 电磁兼容性.可燃气体有毒气体或氧气的检测和测量用
The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes , coal dust , and toxic gases 现代城市是由大得怕人的大厦和充斥著难闻的汽油味，煤灰和有毒气体和又阴暗又狭窄的街道所组成。
