GB 50015-2019 第4.9.7条
- **** | The swimming pool drainage system should be provided with a drain outlet; the drain-down time should not exceed 6 h, and the drain pipe diameter should be calculated based on the drain-down flow rate.
- **** | The swimming pool drainage system should be provided with a drain outlet; the drain-down time should not exceed 6 h, and the drain pipe diameter should be calculated based on the drain-down flow rate.
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