用英语怎样说

用英语怎样说

As everyone knows, the valve is widely used, whether in life or in factories are applied to. Because the valve widely used, so when the valve leak will have a great impact, will not only waste resource in one step, if petrochemical plant valve leakage, easily lead to accidents in petrochemical plant, the property is damaged, will be serious injuries and so on. Valve knowledge tells us, valve maintenance is one of the effective means to prevent leakage of valve. This paper from the perspective of valve leakage effect of valve and valve leakage, leakage effect, how to detect valve leakage, valve preventing leakage method and valve leakage effect.