Xov xwm kev lag luam

  • Raws li qhov xwm txheej keeb kwm ntawm tsib xyoos dhau los (2016-2020)

    Raws li qhov xwm txheej keeb kwm ntawm tsib xyoos dhau los (2016-2020)

    Raws li cov xwm txheej keeb kwm ntawm tsib lub xyoos dhau los (2016-2020), Nws txheeb xyuas tag nrho cov nplai ntawm lub ntiaj teb excavators, cov nplai ntawm cov cheeb tsam loj, cov nplai thiab feem ntawm cov tuam txhab loj, kev faib tawm ntawm cov khoom loj, thiab daim ntawv thov tseem ceeb scale ntawm d ...
    Nyeem ntxiv