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Tsev > Txuj ci > Ntsiab lus

tshuab kev puas tsuaj rau lub foob / paim quav tom qab sib dhos

Mar 27, 2020

Yog tsis hom

yam foob / dej xau tom qab? sib dhos

Yog ua tsis tiav

muab ntim puas ntsoog thaum sib dhos

Kev kho kom haum

xav txog cov lus qhia ua ke (saib DIN 3760 thiab DIN 3761)

Tug: Txhua yam ua rau cov khoom sib txig / sib tsoo tom qab sib dhos

Tom ntej: puas tsuaj ntawm lub foob / paim quav tom qab sib dhos

Yam khoom