New Step by Step Map For ome88
Hydrant outlet and valve for that underground form hydrant and valves with the stand article form hydrant really should be Found as near the ground amount as you possibly can. The very best on the outlet or spindle on the valve needs to be in a depth not exceeding 0.three m.請注意:務必確保已選取的區域來自正確的螢幕截圖(螢