Slewing bearing turntable bearings yog dav siv hauv kev lag luam tiag thiab hu ua "kev sib koom ua ke ntawm cov cav tov".Nws yog tsuas yog siv nyob rau hauv tsheb crane, railway crane, chaw nres nkoj crane, marine crane, metallurgical crane, thawv crane, excavator, muab tub lim, thiab CT sawv yoj kho mob ntsuas ...
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