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sab hauv lub taub hau - 1

Lub Hoobkas ncig saib

Txheej txheem ua haujlwm

txheej txheem-1
txheej txheem-2
txheej txheem-3
txheej txheem-4

Txheej txheem ua haujlwm

khoom siv-1
khoom siv-2
khoom siv-3
khoom siv-4
khoom siv-5
khoom siv-6
khoom siv-7
khoom siv-8
khoom siv-9
khoom siv-10

R & D

rd-1
rd-2
rd-3
rd-4 ib
rd-5 ib