group injection是什么意思

网络释义

1)group injection,集中喷射2)spray pipe,喷射集管3)piccolo injector,中心喷射4)concentrated radiation,集中辐射5)concentrated reflection,集中反射6)PTI Jetbox,集束射氧喷箱

Application of new concentrated radiation-feed network in DC system transformer substation;

变电站直流系统新型集中辐射式馈电网络的应用