短語詞組短語water -supply system mode 給水系統(tǒng)模式double water -supply system 雙給水系統(tǒng)circulated water heat supply system 循環(huán)水供熱系統(tǒng)municipal water -supply system 城市給水系統(tǒng)fire -fighting water-supply system 消防給水系統(tǒng)optimization of water -supply system 給水系統(tǒng)優(yōu)化variable -frequency water-supply system 變頻供水系統(tǒng)multi -heat-source automatic water-supply system 多熱源自動供水系統(tǒng) 返回 water supply system