Self-lubricating bearings yog tsim los ntawm cov khoom siv nws tus kheej lubricating, uas yog tsim los ntawm kev sib xyaw ntawm PTFE, carbon, graphite, iav fiber, polymer organic teeb meem thiab hlau rov qab.Nws cov qauv sib xyaw ua ke ua ke qhov zoo ntawm ntau cov ntaub ntawv, qhia cov khoom tshwj xeeb zoo heev: sh ...
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