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The heavy truck industry is about to enter the peak season. Weichai engine sales are expected to exceed expectations. In 2011, with the gradual implementation of investment in infrastructure construction brought about by the construction of affordable housing, water conservancy const…

The biggest difference in the pressure of the sprinkler is that the filter is clogged. Reasons for filter plugging:

First, the water source problem. Many customers divert water, which is often from ponds, rivers, etc. There are to…