Tsom Iav Lub „advanced sau | ntoo “yog tus cwj pwm los ntawm tsom iav bulkier thiab cov qauv tsim yog qhia los ntawm cov lus hais peb-seem muaj pes tsawg leeg. Cov kev sib xyaw ntoo tshiab thiab cov xuab zeb zoo tshaj plaws los ntawm txhais tes txhais tau tias txhua ROLF qib siab zoo nkauj daim duab yog cov khoom zoo nkauj ntawm cov khoom siv tes ua.



