1·Its last major eruption in 1994 caught everyone by surprise when superheated clouds of sulfuric gas killed 66 people in this village on the mountain's high southern slopes.
该火山最近的一次大爆发是在1994年，当时过热的硫磺气云导致火山南面高坡上一个村庄的66名村民死亡，其情景令所有人震惊。
2·The sulfur burner is one of critical equipment in sulfuric acid plant based on sulfur. High requirements are brought with the expansion of plant production capacity.
焚硫炉是硫磺制酸装置的关键设备之一，随着装置大型化对筑炉提出了高要求。
3·The problem of fiber demister blocked by sublimed sulfur and oil smoke appears in the production of sulfuric acid from sulfur-burning easily.
在硫磺制酸生产中，易出现升华硫和油烟堵塞纤维除雾器。
4·To improve domestic level of technology and equipment for sulfuric acid production, the viewpoint is given of adapting advanced technologies on modification of old plant and construction of new plant.
建议采用先进技术改造老厂、建设新厂，以提高国内硫磺制酸装置的技术装备水平。
5·As the smog ages and reacts with oxygen, organic and sulfuric acids condense as droplets, increasing the haze.
由于年龄和烟雾与氧气反应，有机和浓缩的硫磺酸液滴，增加了烟雾。