changeover valve
短语词组
- changeover r valve 旋转阀
- plate type changeover valve 板式转换阀
- Manual changeover valve 手动切换阀块
- changeover valve detail 多向阀
- hydraulic changeover valve 液动换向阀
- electromagnetic changeover valve 电磁转换阀
- emergency changeover valve 应急转换阀
- auxiliary changeover valve 辅助切换阀;匡助切换阀;辅佐切换阀
- ball changeover valve 球形转换阀 返回 changeover valve