During the collapse of the bubble, due to the periodic change of the bubble center pressure, the surrounding water flow point has a huge repeated impact, causing mechanical erosion...
Advocated by the UN Climate Conference in Paris, in the context of the global development of green energy, and the promotion of local policies in the EU and the Netherlands, the lo...
Garbage trucks are mainly used for municipal sanitation and large factories and mines to transport all kinds of garbage. They are especially suitable for transporting domestic garb...
The electric sanitation garbage truck is a fast electric environmentally friendly vehicle suitable for residential areas. The electric sanitation garbage truck reduces the labor in...
Many people have a common misunderstanding that solar panels do not work in winter. On the contrary, low temperature will increase the output power of the solar panel. However, sol...