The application of the
metal corrugated pipe as the water storage tank has many advantages. Actually, in the aspect of the rainwater collection, there are much successful experience we can use for reference. For example in Germany, the technology of rainwater usage has stepped into the standard and industrailzation stage. So during the city construction, we need to take example by the successful experience, pay attention to the collection of rainwater as well as develop the
metal corrugated pipe other function.
