Kev Npaj Cov Nitrogen Ua Ntej Tus Kheej Lub Tshuab Khov Ua Ntej Ua Ntej

Txhawm rau kom ntseeg tau tias qhov ua tau zoo ntawm cov kua nitrogen cov neeg siv lub tshuab ua kom khov sai, nws yooj yim rau cov neeg siv khoom kom yooj yim teeb tsa tus neeg siv lub tshuab khov khov sai thiab muab tso rau hauv kev tsim khoom tom qab tau txais nws. Txhua yam khoom siv yuav ua raws li kev tshuaj xyuas hauv qab no ua ntej tawm hauv lub hoobkas. Tsuas yog tom qab kev tshuaj xyuas dhau mus, kev ntim khoom nyab xeeb thiab thauj khoom tau npaj.

• Kev Pom Kev Pom Zoo

• Kev Tshawb Fawb

• Kev Tswj Xyuas Computer

• Kev Nyab Xeeb Ntim

Ib qho ntxiv, tib txoj cai lav thiab kev saib xyuas kuj tseem siv rau cov neeg siv khoom txawv teb chaws:

• 1 Xyoo Warranty

• Kev Tu Software Dawb Mus Ib Txhis

Cov Lus Qhia Ntxiv ：Ua kua Nitrogen Tus Kheej Ceev Khov Tshuab