Double-layer underground drainage pipe

Abstract

1. The name of this design product: double-layer underground drainage pipe. 2. Purpose of this design product: Mainly suitable for separating sewage and rainwater, and treating and utilizing rainwater and sewage separately. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. The left view is the same as the main view, so the left view is omitted; the right view is the same as the main view, so the right view is omitted; the rear view is the same as the main view, so the rear view is omitted.

Images