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hydraulic seal replacement

2025-08-14 19:34
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    Extension springs work in the opposite way to compression springs. The compression spring acts in reverse when it is pressed, and the extension springacts in reverse when it is stretched or pulled apart. When the two ends of the stretch spring pull apart, the spring tries to pull them back together. The spring occupies an important position in the global market, and is widely used in the fields of national defense, Marine, computer, electronics, automobile, mold, medicine, biochemistry, aerospace, railway, nuclear power, wind power, thermal power, construction machinery, mining machinery, construction machinery, elevator and so on.