Lub koom haum

NSV tab tom siv zog rau kev tswj hwm lub koom haum zoo tshaj plaws.

Cov kev paub zoo tshaj plaws ntawm NSV Valve tau txheeb xyuas hauv ntau qhov chaw ua haujlwm thiab nrog cov lus teb ceev ceev rau cov neeg siv khoom twb tau lees paub.