目前液体石油气已进入城市居民的大多数家庭。由于它使用方便、无污染,故深受居民群众的欢迎。那么如何安全使用液化石油气呢?液化石油气群众简称为液化气。它是石油开采或炼制过程中作为副产品而获得的一部分碳氢化合物。它在常温常压下呈气态,但稍加压力就很容易被液化为液态。目前我国供应城市居民燃用的液化气主要 At present, liquid petroleum gas has entered most households of urban residents. Because it is easy to use and free of pollution, it is very popular among residents. So how can we safely use liquefied petroleum gas? Liquefied petroleum gas people are referred to as liquefied gas. It is a portion of hydrocarbons obtained as a by-product during oil extraction or refining. It is gaseous at normal temperature and pressure, but it is easily liquefied to a liquid state with slight pressure. At present, China’s supply of liquefied gas to urban residents is mainly