问题描述: for incoming and section motorized air circuit breakers 1个回答 分类:英语 2014-11-07 问题解答: 我来补答 接收部分电动空气断路器双语对照例句:1.For example,oil and air circuit breakers are now replaced by gas ones.例如,油和空气断路器如今已被气体断路器取代. 展开全文阅读