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Reverse flushing can be done automatically: the backwash is done by hydraulic valve opening and hydraulic cylinder pistons, which are controlled by the backwash controller. The anti-flushing controller can accurately control the hydraulic valve and hydraulic cylinder according to the differential pressure value from the filter inlet and outlet, and the power of the controller comes from the pressure of the line itself.
If your current fridge is around 10 years old, a new model having an energy star rating will definitely become more efficient that you should run, saving on your own power bill plus lowering your household carbon emissions. Today's chillers use considerably less energy than outdated types and signify more effective bargain in the long term. All new refrigerators must minimise environmental harm and must pass industry standards before achieving their energy rating so before you decide to repair your old fridge, consider its impact on your energy use.
Generally speaking, the invention of technology is the materialization of scientific knowledge and experiential knowledge, so that the theory and knowledge which can be applied can be realized. The development of modern technology and the guidance of scientific theory have become the "application of science" to a great extent. However, the development of modern science is also inseparable from technology, which often becomes the aim of scientific research, and the development of technology provides the necessary technical means for scientific research. There is a relationship between them, mutual promotion and mutual restraint. Predictably, their connections will become more intimate and boundaries will blur
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