Kev teeb tsa thiab commissioning
Peb yuav muab cov lus qhia rau kev teeb tsa thiab commissioning cov lus qhia rau lub twj tso kua mis

Spare xeem
Cov khoom siv tau zoo heev uas tsis muaj qhov tsis txaus thiab cov kev tiv thaiv kev nyab xeeb thiab tiv thaiv kev ua haujlwm siab ntawm koj lub tshuab.

