午夜色大片在线观看_一区欧美国产蜜桃_亚洲天堂电影资源_精品综合国产亚洲欧美久久_大白逼国产三级日本四级欧美片_国产精品亚洲免费在线观看_国产一区2区_日韩av一区二区加勒比在线_亚洲一区日韩一区欧美一区a_久久99国产综合精品免费

PRODUCT DESCRIPTION

Digital control, stable and reliable performance.

The parameters are adjustable to adapt to one platform and multiple environments.

Integrated structure design, easy to install and maintain.

PRODUCT APPLICATION

Used in the air-conditioning system of subway trains and EMUs. At present, its operation performance on dozens of subway lines at home and abroad is good with more than 40 series of products.