三男一女做2爱a片免费视频_最近中文字幕mv免费高清视频_伊人精品久久久大香线蕉_亚洲精品av无码重口另类_女性私密紧致水多的危害_日日狠狠久久偷偷色综合96蜜桃_日韩va无码中文字_国产精品午夜福利片_宅男午夜大片又黄又爽大片

Contact Us

Tiny Cooling Fan takes you recall the exciting past

Date: 2014-10-10   Click: 1621 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