GB/T 16803-2018供暖、通风、空调、净化设备术语国家标准
英文:Equipment of heating ,ventilating, air conditioning and air cleaning terminology GB/T 16803-2018介绍: 国家标准《供暖、通风、空调、净化设...
英文:Equipment of heating ,ventilating, air conditioning and air cleaning terminology GB/T 16803-2018介绍: 国家标准《供暖、通风、空调、净化设...