水合物又称天然气水化物,是天然气中某些组分与水分在一定温度压力条件下形成的白色结晶。外观类似密致的冰雪,密度约为0.88~0.9g/cm3。Definition: also known as natural gas hydrate, it is the white crystal formed by some components and water in natural gas under certain temperature and pressure. The appearance is similar to dense snow and ice, with a density of about 0.88~0.9g/cm3.