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://www.herbsdailyes.shop/product-category/blood-pressure-cuff-and-stethoscope-sets/