Yuav ua li cas kom paub qhov txawv ntawm cov tawv tiag tiag thiab tawv tawv?

Rau qee cov tub lag luam tam sim no, mercenary tsuas yog cov txiaj ntsig.Nws yog qhov xwm txheej ntawm qee cov tub lag luam muag cov khoom cuav rau tus nqi siab tshaj.Siv tawv ua piv txwv.Cov tawv tam sim no muag ntawm lub khw kuj txawv heev.Qee cov tawv tawv tawv heev rau qhov kov.Zoo, thiab kuj zoo heev.Tab sis feem ntau ntawm peb tsis tuaj yeem qhia qhov sib txawv ntawm cov tawv tiag tiag thiab tawv tawv.Tam sim no muaj ob hom tawv tawv ntawm lub khw, ib qho yog tawv tawv, thiab lwm yam yog tawv tawv, tawv tawv thiab tawv tawv.Nws zoo nkaus li tias qhov sib txawv tsis loj heev, tab sis feem ntau qee cov neeg siv nyiaj ntau heev, tab sis cov tawv uas lawv yuav yog khoom cuav.Tawv, raug kev txom nyem loj.

Method 1: Visual identification method.Thaum thawj zaug txheeb xyuas tawv, peb txheeb xyuas nws los ntawm cov qauv pores ntawm tawv.Nrog ntuj tawv peb pom cov qauv tsis sib xws thiab cov tsiaj fibers ntawm qhov thim rov qab.Thiab yog tias nws yog tawv tawv, peb zoo li tsis muaj pores ntawm qhov chaw.Thiab tsis muaj cov qauv ntawm cov tawv nqaij, thiab txawm tias cov tawv nqaij tawv pores thiab cov qauv zoo ib yam.

Txoj Kev 2: Kev txheeb xyuas cov ntxhiab tsw.Yog tias nws yog tawv tawv, peb yuav hnov ​​​​cov ntxhiab tsw muaj zog.Txawm hais tias cov tawv nqaij zoo li no tau kho kho, qhov tsw yog qhov pom tseeb heev.Yog tias nws yog tawv tawv, tsuas muaj ntxhiab tsw ntawm cov yas thiab yas, thiab tsis muaj plaub.tsw.

Txoj kev 3: drip test.Tom qab ntawd peb npaj ib lub chopstick, muab ob peb tee dej rau ntawm lub chopstick, muab tso rau ntawm tawv, thiab saib seb cov tawv absorbs dej.Tom qab tos ib feeb, yog tias cov dej ntawm cov tawv nqaij ploj tag, nws yog tawv tawv, vim tias tawv tawv yog absorbent heev, thiab yog tias cov dej tsis nqus, nws yuav yog tawv tawv.

Txoj kev 4: combustion identification method.Rau cov neeg haus luam yeeb, nws yog qhov yooj yim heev los txheeb xyuas cov tawv nqaij, vim tias cov neeg haus luam yeeb muaj lub teeb rau hauv lawv lub hnab, thiab peb tuaj yeem siv lub teeb rau cov tawv nqaij.Yog tias nws yog tawv tawv, nws yuav muaj qhov tsis hnov ​​​​tsw ntawm cov plaub hau tom qab hlawv, thiab nws yuav yooj yim tawg ua hmoov tom qab hlawv, thaum tawv tawv yuav kub hnyiab ntau dua, shrinkage sai, thiab muaj cov ntxhiab tsw ntxhiab tsw tom qab hlawv.mus rau hauv ib qho nyuaj block.

Cov saum toj no 4 txoj kev los txheeb xyuas cov tawv tiag thiab fake tawv yuav tsum tau sau.Thaum muas tawv, tsuas yog ua raws li cov txheej txheem saum toj no txhawm rau txheeb xyuas nws.