Àkwà mmiri

Mmebi nke nchara nwere ike ibute nnukwu ego na akwa mmiri, yabụ gburugburu ebe obibi nke na-ejide ihe ruru 50% RH gburugburu dị mkpa maka mgbochi ire ere nke owuwu ígwè n'oge a na-ewu akwa mmiri.

Ngwaahịa ndị metụtara ya:(1).(2)

Ihe atụ nke onye ahịa:

New Jinggangshan Bridge