Tsev/Xov xwm/Paub meej

Pab Pawg Ua Si Kev Ua tiav Ua tiav Zoo

Sep 04, 2020

Chemxin

Tug: 1ST Molecular Sab Cib Ntau Lawm Thiab Daim Ntawv Thov Tshuab Sib Pauv Tham

Tom ntej: Tshiab Tsis Siv Neeg Ntau Lawm Kab Ntawm Molecular Sieve

Koj Tseem Yuav Zoo Li

Xa kev nug