英文投标项目中由如下的一段陈述，怎么翻译都感觉有点别扭，求大神指导！ Provide one spare starter per size No.1 through No.4, two 20 amperes spare breakers, two 40 amperes spare breakers and two spare spaces, minimum 3X, with necessary bus-bar, mechanical structure and terminals prewired in each motor control center.
Provide one spare starter per size No.1 through No.4, two 20 amperes spare breakers, two 40 amperes spare breakers and two spare spaces, minimum 3X, with necessary bus-bar, mechanical structure and terminals prewired in each motor control center.
