Moscow Lub Koom Haum Hluav Taws Xob Engineering txhim kho hluav taws xob thev naus laus zis txhawm rau txhim kho cov khoom tsim tau zoo
Cov kws tshawb fawb Lavxias tab tom tsim hluav taws xob thev naus laus zis los ua kom cov nroj tsuag muaj txiaj ntsig, tshaj tawm xov xwm kev pabcuam ntawm Lavxias Ministry of Education thiab Science. Lawv siv ntawm qhov zoo tshaj plaws ...
