The 2-Minute Rule for ome88
Provision shall be built for standby pumps fed from various supply of ability at the speed of 50 p.c of mixture number of pumps, subject matter to minimum of 1 and utmost of two. Exactly where pumps are of different capacities, standby pump ought to be of optimum capacity.此篇知識可能不適用於所有同類型/系列的產品,部分畫面�