primary water system meaning in English
一次水系统
Examples
- The air conditioning or heating water systems with primary water system in heat source or cold source side and secondary water system in load side divided by direct connection mode need to adopt connectors or water mixers
摘要用直接连接方式划分热源（或冷源）侧一次水和负荷侧二次水的供暖或空调水系统，需要采用连通器或混水器。