ome88 - An Overview
Hydrant outlet and valve for your underground kind hydrant and valves for your stand submit sort hydrant must be Positioned as in close proximity to the ground level as possible. The best of your outlet or spindle of your valve need to be in a depth not exceeding 0.3 m.請注意:務必確保已選取的區域來自正確的螢幕截圖(螢幕