例句與造句

1. Meter box is a distribution box for single - phase and three - phase watt - hour meter , its inner electric switch components adopt modular switch , it is used for distribution systems in civil building , industrial and mining enterprise , as well as aloft operation power grid
   電表箱是一種安裝單相與三相電度表配電箱，內(nèi)部電器開關(guān)元件全部選用模數(shù)開關(guān)，主要用于民間建筑、工礦企業(yè)、高業(yè)網(wǎng)配電系統(tǒng)。
2. It's difficult to find modular switch in a sentence. 用modular switch造句挺難的