The UK Building Regulations permit ventilation fans to be eliminated if trickle ventilators and passive stack extract vents are provided.
英
美
- 英国建筑规范允许在设有细流通风设备和被动式的烟囱排烟道的情况下,通风机可以不设。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries