GB 50242-2002 第11.4.1条
| **** | After the hot water supply system is installed, a hydrostatic test shall be carried out before the pipeline insulation is applied. The test pressure shall comply with the design requirements. |
| **** | After the hot water supply system is installed, a hydrostatic test shall be carried out before the pipeline insulation is applied. The test pressure shall comply with the design requirements. |
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