In rural areas, sewage treatment has always been an environmental problem that cannot be ignored. Дар муқоиса бо шаҳр, иншооти тозакунии канализатсия дар деҳот аксар вақт номувофиқанд, ки дар натиҷа оби партов мустақиман ба муҳити табиӣ рехта мешавад ва ба экология фишори зиёд меорад...
In recent years, with the continuous progress of science and technology and the improvement of people's pursuit of quality of life, the space capsule, a high-tech product, has been introduced into the field of B&B and become a brand new accommodation experience. Бо...