Dab tsi yog qhov sib nrug rau 3 rail nees laj kab?
Apr 09, 2024
Qhov sib nrug ntawm 3 rail nees laj kab feem ntau nyob ntawm qhov siab ntawm lub laj kab thiab qhov loj ntawm cov nees. Ib qho kev sib txawv rau cov ntsia hlau yog nruab nrab ntawm 12 txog 14 ntiv tes (30 txog 36 centimeters) sib nrug vertically. Qhov sib nrug no pab tiv thaiv cov nees los ntawm kev tau txais lawv cov hooves daig ntawm cov ntsia hlau thaum tseem muab qhov chaw txaus.
