人妻少妇乱子伦精品_久久精品国产字幕高潮_国产AV无无码精品_国产亚洲专区无码

SF(G) Series Pipeline Axial Fan

SF(G) Series Pipeline Axial Fan


SF(G) series pipe fan using three yuan flow theory design, with low noise, large air volume, low power consumption, reasonable structure and other characteristics, is the current chemical industry, light industry, civil construction, high-level hotels and other places of the new choice of the ideal ventilation equipment, this series of fans for hotels, canteens, restaurants smoke and ventilation.
< 1 >