Hluav Taws Fighing Delugug Valve
Dej hauv qab lub tswbS Siv nyob rau hauv chav kawm tshwj xeeb cov chav kawm tshwj xeeb. Nws siv npuas dej thiab dej rau qhov hluav taws kub.
Chaw thov; Storages, cov tsev rau khoom, hauv thaj chaw uas nyob hauv chav kawm txaus ntshai. Nws siv rau cov npaus thiab dej ua ke rau cov hluav taws tawg. Deluge li qub yog siv rau sprinklers thiab nozzles. Cov khoom noj nrog dej thiab li qub.

Sau koj cov lus ntawm no thiab xa mus rau peb