The smart Trick of ome88 That No One is Discussing
Provision shall be built for standby pumps fed from distinct supply of electricity at the speed of fifty p.c of mixture variety of pumps, subject to bare minimum of 1 and optimum of two. Where pumps are of various capacities, standby pump need to be of greatest ability.此篇知識可能不適用於所有同類型/系列的產品,部分畫面選�