Resin qhob trench ntws, raws li ib hom ntawm linear kua system, muaj peev xwm sau tau zoo heev. Cov khoom siv, cob pob zeb, ua rau nws muaj peev xwm ua haujlwm siab thiab ua haujlwm zoo. Tsis tas li ntawd, cov qauv tsim ntawm cov pob zeb ua vaj tse trench ntws muab nws nrog lub zog muaj zog ...
Nyeem ntxiv