被同学玩弄的妩媚MM小说,激情内射亚洲一区二区三区,潘金莲性肉欲全黄,95国产精品人妻无码久,无套内谢少妇毛片A片流出白浆,国产涩涩视频在线观看,在厨房抱住岳丰满大屁股韩国电影,日本一卡2卡3卡四卡精品网站,梁莹在公车被灌满JING液,日本欧美久久久久免费播放网

Gas circulating fan:  

　　Series W4-80,W4-78 and W4-50 high temperature fans are equiped for hydrogen cover annealing furnace. Series W9-55 high temperature fans are specially equiped for cover annealing furnace of cold-rolled steel plate.

Features:

　　The products are used for forced gas directional flow in furnace. Strengthen heat exchanging in furnace,  evenly improve temperature, improve products quality of heat treatment, and reduce the period of heat treatment. The series products can be used for annealing of cold-rolled steel plate, steel band, wire material, copper base alloy and aluminum-platinum alloy etc. The fans are centrifugal type without outer casings.The Extended shaft is used upwards.  Type A  is the driving way. Running temperature can reach 750℃, max. running temperature can reach 850℃.