| 摘要 |
<p>The aeration system consists of one or two flexible tubings (10), created with the use of perforation procedure (in sections at least), to become the aeration flexible tubing (60). Each of these tubings has a permanent connection with holders dislocated along this tubing, holding the flexible tubing (10) of the bottom. The holders are led in the guiding rail (14). The flexible tubing (10) is drawn in the empty or full of liquid tank with the use of the drawing mean located next to the guiding rail, acting with a tensile force to the tubing's body, kept in the tank without any preload.</p> |
