发布时间:2025-01-23 17:33:00
建筑物耗热量指标(qH)heat loss index Of building在计算采暖期室外平均温度条件下,为保持室内设计计算温度,单位建筑面积在单位时间内消耗的需由室内采暖设备供给的热量。单位:W/㎡。
我家的给水管头是PVC的,我装修要全部用PPR的,怎么把PPR和PVC管连起来...
2025-01-23 17:33:00 2025-01-23 17:33:00 2025-01-23 17:33:00 2025-01-23 17:33:00 2025-01-23 17:33:00 2025-01-23 17:33:00 2025-01-23 17:33:00我想做个ktv房间不知道用什么板来做天花调顶音箱15寸底音箱双18寸我怕放大声天花顶都震动
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