leonard.kzao@chnzbtech.com +86-15596648075 +86(0) 2988087080
- All
- Product Name
- Product Keyword
- Product Model
- Product Summary
- Product Description
- Multi Field Search
English
A brick lining is usually placed over a circular concrete well rim. The lining may have open seams to allow water to enter. In this case, the well is often plugged at the bottom and water enters from the side. Ballast, 20 to 25 cm (7.9 to 9.8 in) in diameter, is packed around the outside of the line
READ MORE