Feem ntau, nws yuav tsis muab pov tseg.
Daim ntawv pov thawj kawm tiav tuaj yeem laminated, nws tuaj yeem khaws ntev dua thiab tsis yooj yim rau kev puas tsuaj tom qab laminate.
Txij li xyoo 1994, daim ntawv pov thawj kawm tiav ntawm cov tsev kawm qib siab thiab tsev kawm qib siab tau siv daim ntawv pov thawj kawm tiav cores uniformly tsim los ntawm National Education Commission.
Daim ntawv pov thawj kawm tiav undergraduate thiab post-secondary daim ntawv pov thawj yuav tsum tau ua los ntawm txhua lub tsev kawm ntawv (lossis tuaj yeem tsim los ntawm txhua lub tsev kawm ntawv thiab xa mus rau National Education Commission ua).
Qhov tshwj xeeb ntawm daim ntawv pov thawj tub ntxhais yog (ntev) 23.5cm × (Dav) 16.5 cm. Lub npog thiab sab hauv ntawm cov ntawv kawm tiav qib siab yog ib yam ua los ntawm National Education Commission.
Yuav ua li cas laminate daim ntawv pov thawj kawm tiav?
Ua ntej, peb yuav tsum xaiv 80 micron Yidu laminating zaj duab xis hnab uas sib phim qhov loj ntawm daim ntawv pov thawj kawm tiav.
Tom qab ntawd, peb qhib zaj duab xis thiab muab daim ntawv pov thawj kawm tiav nyob rau hauv nruab nrab ntawm zaj duab xis, thiab tawm ntawm qhov deb ntawm ntug.
Tom qab lub preheating ntawm lub laminator tiav, muab ib kawg ntawm lub sealing zaj duab xis rau hauv lub tshuab smoothly.
Tom qab laminating, nws yog siab transparency, tsis muaj warp ces kaum thiab tiaj tus thiab tiag tiag nthuav daim ntawv ntawm daim ntawv pov thawj kawm tiav.
