overhead system
短语词组
- vertical overhead contact system 垂直吊线接触网;多边形架空接触网
- overhead pipeline system 架空热力管线
- overhead sprinkling system 高架喷灌系统
- rtical overhead contact system 多边形架空接触网
- overhead duct system 高架风道系统
- overhead heating system 上分式供热系统
- overhead contact system 架空接触网;接触网
- single overhead contact system 架空単线式电车线路
- polygonal overhead contact system 多边形架空接触网 返回 overhead system