| 摘要 |
Filter meter includes filtration cup and transparent measuring with divisions tube in which floater is palced, this moves in it, made of water-stable material, with volumetric weight equal to volumetric weight of water. Transparent measuring pipe is placed directly on surface of filtration cup, its one end is placed to filtration cup, and the other end, with floater placed in it, is open for water inflow to it. |
