Kev ceev faj rau kev siv roj av

1. Cov roj molding siab yuav tsum tau 80-100 kg/cm2. Yog tias lub siab me me dhau, nws tsis yooj yim rau kev cog lus, tsis tiv taus qhov kub hnyiab, thiab dej cawv yog yooj yim rau evaporate.

2. Tom qab nias rau hauv blocks, ceev ceev qhwv lawv nrog ib tug ciab txheej kom tsis txhob haus cawv los ntawm evaporating. Feem ntau, kev nias thiab qhwv ua tiav ib leeg.

3. Ib qho 20-gram roj yog ib nrab puag ncig, nrog txoj kab uas hla ntawm 4-5 cm, thiab muaj 6 qhov me me nrog txoj kab uas hla ntawm 0.5 cm nyob nruab nrab (1 hauv nruab nrab thiab 5 ncig).

4. Ntxiv nrog rau cov yoov tshaj cum khib, nws yog qhov zoo tshaj plaws los ua ke nrog ib daim duab peb sab hauv lub pob los txhawb cov khoom siv cua sov lossis honeycomb thee.

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