Plexiglass qauv tsim ntawm lub tshuab nqus tsev vacuum

Kev xaiv cov ntaub ntawv yog nyob ntawm tus qauv tsim, hom duab zoo li cas, hom plexiglass, xim thiab ntau yam yuav tsum tau sim ntau zaus kom ua tiav cov txiaj ntsig zoo tshaj plaws. Nrog rau kev tsim qauv zoo, nws yog ib qho tsim nyog yuav tsum tau tso siab rau kev ua tib zoo ua cov khoom siv tes ua zoo nkauj.