亚洲精品色婷婷在线影院,亚洲一区在线二区,天堂中文在线资源库用,国产内谢xxxxxxxhd ,青娱乐国产盛宴亚洲精品_国产亚洲日韩网暴欧美台湾_日 ,欧美日韩国产素人第一区_国产日韩久久免费影院#&_亚

Contact Us

Tiny Cooling Fan takes you recall the exciting past

Date: 2014-10-10   Click: 1595 Times

Appliance "Tiny Cooling Fan" fan, blowpipe and bladder, the first for the forced draft fan and a blowpipe. Ancient Egyptian pottery goldsmith had used the blowpipe with air nozzles, Incas sometimes 8 to 12 brass while blowing. Later, the invention of skins produced by the blast bladder, cystic duct and divided at both ends by the operator manual air inlet. This "Tiny Cooling Fan" shabby blower for use in modern times still some areas. Eighteenth dynasty of Egypt Luck Mill (Rekhmir, about 1450 BC) tomb murals have been painted with tank-like foot blower images. "Tiny Cooling Fan" into the wind when the operator with a rope hauled bladder, and then depresses the air blown into the furnace, each furnace is equipped with a four-blower, the two opposite operations.

Back to: Industry news

+86-0769-83660708

Home Product News Contact