Lub tshuab txiav IECHO yog raws li lub tswv yim tsim qauv uas yog qhov tshwj xeeb hauv kev ua lag luam - hloov tau yooj yim thiab nthuav tau yooj yim. Txhim kho koj cov tshuab txiav digital raws li koj tus kheej cov kev xav tau ntau lawm thiab nrhiav kev daws teeb meem rau txhua qhov ntawm koj daim ntawv thov. Ua lag luam nyob rau hauv haib thiab yav tom ntej-pov thawj txiav tshuab. Muab cov tshuab txiav kom zoo thiab raug rau cov ntaub ntawv hloov tau xws li ntaub, tawv, ntaub pua plag, ua npuas ncauj, thiab lwm yam. Tau txais iecho txiav tshuab nqe.
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Txiav tshuab PK1209 tsis siv neeg ntse txiav system
saib ntxiv