khoom

Cov lus piav qhia luv luv:

Cov khoom siv no yog raws li kev sib tw indirec medgroography thev naus laus zis, uas yog isoprocarb txuas tshuaj orsoprocarb coupling antuplling captured ntawm kab xeem. Qhov kev xeem ua kom pom tau los ntawm lub qhov muag liab qab.