1. SF-2 ciam lubrication bearing: acid siab polyoxymethylene, nrog rau siab hnav tsis kam, cov kabmob tsis tu ncua thiab cov roj cia lub qhov yuav tsum tau them nrog roj thaum sib dhos, tshwj xeeb tshaj yog LFB roj-dawb bushing.Tsawg ceev rotary motion, rocking motion thiab feem ntau nyob rau hauv load, nws tsis yog ...
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