The environment in the 500kV cross-linked cable tunnel is bad. which is not conducive to ensuring the joint manufacturing process. and it is easy to cause joint installation defects. A joint installation environmental control system stabilizing the temperature and humidity of the joint installation area and reducing dust particles in the air was designed and developed. https://uyqvimjermg12l.timeblog.net/70688321/the-influence-of-the-circulation-on-surface-temperature-and-precipitation-patterns-over-europe