Tsim & Tshawb Xyuas Cov Duab Kos
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Tsim & Tshawb xyuas cov duab kos
Peb tuaj yeem tsim cov khoom ua haujlwm raws li cov neeg siv khoom xav tau. Koj tuaj yeem qhia rau peb koj cov kev xav tau xws li: qhov loj me, qhov tseeb, qhov thauj khoom ... Peb lub chaw haujlwm Engineering tuaj yeem tsim cov duab kos hauv cov hom ntawv hauv qab no: kauj ruam, CAD, PDF ...