求翻译：我们参观了北京、上海、天津、合肥、青岛、杨中等城市，我参观了惠达陶瓷公司、上海冠龙阀门厂、上海精嘉阀门厂、上海宝临电气公司、上海柘中电气、江苏大全电气集团和江苏中电集团、青岛益和电气、青岛特锐德电气集团、天津特变电工变压器公司、天津紫光测控公司等厂家，，是什么意思？

We visited Beijing, Shanghai, Tianjin, Hefei, Qingdao, Yang medium city, I visited Huida Ceramics Company, Shanghai guanlong valve plant, the Shanghai Jingjia valve plant, Shanghai Baolin electrical company, the Shanghai Cudrania electrical manufacturers of Jiangsu Daquan Electric Group and Jiangsu

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We visited Beijing, Shanghai, Tianjin, Hefei, Qingdao, the Yang medium city, I visited the benefit to reach the ceramic company, Shanghai Crown Dragon Valve Factory, Shanghai Fine Fine Valve Factory, Shanghai valuably near in the electrical company, the Shanghai three-bristle cudrania electrical, in

We visit has Beijing, and Shanghai, and Tianjin, and Hefei, and Qingdao, and Dr medium city, I visit has Hui up ceramic company, and Shanghai Crown Dragon valve factory, and Shanghai fine Ka valve factory, and Shanghai Po p electric company, and Shanghai cudrania triloba in the electric, and Jiangsu

正在翻译，请等待...