In winter |
| 29.03.2018 23:57 |
| Their disadvantage in comparison with piston is the power. The membrane pump cannot provide high speed of pumping, it is difficult to work with it in winter. |
In winter |
| 29.03.2018 23:57 |
| Their disadvantage in comparison with piston is the power. The membrane pump cannot provide high speed of pumping, it is difficult to work with it in winter. |