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  • 00:01, 17 August 2008 (diff | hist) . . (+5,914). . N Lengquqi(New page: [http://www.jsyulong.com/lengqueqi.html 冷却器]冷却器是换热设备的一类,用以冷却流体。通常用水或空气为冷却剂以除去热量。有间壁式冷却器、喷淋...) (current)
  • 23:19, 16 August 2008 (diff | hist) . . (+4,624). . N Fangfu(New page: [http://www.hzqdby.com/about.html 防腐设备]针对金属腐蚀的原因采取适当的方法防止金属腐蚀,常用的方法有: [改变金属的内部组织结构] 例如制造...) (current)