Mechanical seals, tseem hu ua kawg seals, muaj kev txhim khu kev qha, me me to, lub neej ntev kev pab cuam, tsis tshua muaj zog noj, tsis tas yuav tsum tau tu ntau zaus, thiab tuaj yeem hloov mus rau automation ntawm cov txheej txheem ntau lawm thiab kub, tsis tshua muaj kub, siab siab, nqus, high speed thiab var...
Nyeem ntxiv