Dab tsi yog 2 Txoj Kev Wet Pillar Hydrant?

2 Txoj Kev Wet Pillar Hydrant yog cov khoom siv hluav taws xob tseem ceeb uas siv los muab cov dej tsis tu ncua los tua hluav taws. Nws yog ib txoj kab ntsug, hauv nruab nrab, cov kav dej sawv ntsug uas tau nruab rau hauv cov tsev, cov chaw ua haujlwm, thiab cov chaw pej xeem kom ntseeg tau tias muaj cov dej ruaj khov thaum muaj xwm txheej kub ntxhov.

Cov hydrant no muaj ob lub qhov hluav taws xob uas tuaj yeem siv tau ib txhij, uas ua rau kom muaj txiaj ntsig ntawm kev tua hluav taws. Lub hydrant txuas nrog rau cov dej loj, thiab cov dej ntws los ntawm cov kav dej thiab tawm ntawm qhov hluav taws xob thaum muaj hluav taws kub.

2 Txoj Kev Wet Pillar Hydrant yog suav tias yog ib qho ntawm cov cuab yeej siv hluav taws xob zoo tshaj plaws. Nws ua kom muaj kev siv dej siab siab uas tuaj yeem tua hluav taws sai thiab zoo. Lub hydrant yog tsim los tiv thaiv ib puag ncig hnyav thiab tuaj yeem tiv taus qhov kub thiab txias.