Chav tsev huv si yog kev lag luam kev lag luam heev. Nws yuav tsum tau ib tug high degree ntawm kev huv. Hauv qee qhov chaw, nws kuj yuav tsum muaj plua plav-pov thawj, hluav taws-pov thawj, thermal rwb thaiv tsev, anti-static thiab lwm yam req ...
Nyeem ntxiv