Standard curing is curing under specified temperature and humidity conditions. Natural conservation is to maintain under natural conditions and adopt the practice of partially changing the maintenance conditions. Steam curing refers to curing concrete at normal pressure and steam temperature of about 45 degrees. Autoclaved curing refers to autoclaving at the temperature of 175 degrees and atmospheric pressure to improve the strength of concrete under high temperature and high pressure! Here, in order to answer your question, the mobile phone traffic is used up!