First, adjust the polarization angle, that is, the angle at which the tuner rotates relative to the standard position, clockwise is positive and counterclockwise is negative. Adjust the elevation angle, that is, the angle of the vertical antenna. Adjust azimuth, that is, the horizontal angle between the clockwise direction and the target direction line.
Tianguo is an ancient brewing equipment with a long history in China, which originated in Liao and Jin Dynasties. The steamer consists of three parts. The pot for boiling water below is called floor pot, the wooden charging part in the middle is called retort, and the pot for condensing wine with cold water above is called top pot.