Tshuaj lom neeg corrosion tsis kam
Fiberglass composites muaj zoo corrosion tsis kam, muaj zog thermal, kev lag luam muaj zog, kev lag luam muaj zog, kev lag luam muaj zog, kev tso dej thiab tso dej thiab fermentation , thiab lwm yam.
Yam khoom muaj feem xyuam cov khoom lag luam: Txuas xov paj, txhoov strand lev, nplaim lev, koob lev