The Basic Principles Of ome88
Provision shall be made for standby pumps fed from distinct supply of power at the rate of fifty percent of mixture range of pumps, matter to minimum of one and most of two. In which pumps are of various capacities, standby pump should be of greatest potential.請注意:務必確保已選取的區域來自正確的螢幕截圖(螢幕內),