PE487N-S Tus cwj mem dub Whiteboard, Tus cwj mem tsis muaj tshuaj lom

Kev Piav Qhia Luv:

Cov cwj mem dub uas tsis muaj tshuaj lom muaj 12 daim hauv ib lub thawv. Lub cev cwj mem yog ua los ntawm yas kom ruaj khov thiab siv tau ntev, thiab lub hau muaj ib qho clip uas muaj tib xim li cov cwj mem, ua rau nws yooj yim paub xim. Ua los ntawm cov cwj mem zoo uas tsis muaj tshuaj lom, qhuav sai, yooj yim rho tawm, qhib lub hau tau ob teev yam tsis qhuav. Qhov ntev sau ntawv yog tshaj 600 meters.

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cov yam ntxwv ntawm cov khoom

Cov cwj mem dub rau ntawm lub rooj tsavxwm dawb uas muaj cov cwj mem uas tsis muaj tshuaj lom! Muaj 12 tus cwj mem zoo ib yam hauv ib pawg. Cov cwj mem yog ua los ntawm cov khoom siv zoo rau kev sau ntawv du thiab sib xws. Cov cwj mem tsis muaj tshuaj lom qhuav sai thiab yooj yim rho tawm, ua rau lawv zoo meej rau chav kawm, chaw ua haujlwm thiab hauv tsev. Nrog rau qhov ntev sau ntawv txog li 600 meters, cov cwj mem no ruaj khov thiab txhim khu kev qha, ua kom koj tuaj yeem ua tiav tag nrho koj cov haujlwm sau ntawv yam tsis muaj kev cuam tshuam.

Cov cwj mem no lub hau puag ncig yog 2-3 millimeters tuab, ua rau nws zoo tagnrho rau kev kos cov kab tuab thiab meej. Cov kua mem no tiv taus kev txhuam, ua kom koj cov ntawv sau nyeem tau yooj yim. Tsis tas li ntawd xwb, cov cwj mem no tuaj yeem tso tsis muaj hau rau txog li 2 teev yam tsis qhuav, muab kev yooj yim thiab kev thaj yeeb nyab xeeb rau kev siv mus sij hawm ntev.

Peb yog thawj lub hom lag luam hauv Spain uas ua lub ntim khoom tig rau sab saud, vim tias cov toner hauv cov cwj mem whiteboard tsis ua haujlwm txaus, yog li ntawd lub hau yuav tsum tau yaug kom huv si kom cov toner ua haujlwm thiab tswj cov kua mem kom sib xws.