Автоновинки
By the head
- 02.07.2020
The expansion of the resulting well is carried out by the head of the expander, worn instead. In this case, the diameter of the well should be approximately a third more than the diameter of the pipe laid.
The expansion of the resulting well is carried out by the head of the expander, worn instead. In this case, the diameter of the well should be approximately a third more than the diameter of the pipe laid.