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World's longest over-water bridge, the 41.58km-long Qingdao Haiwan Bridge, opens to traffic in China's Qingdao on the last day of June. The bridge connects town of Qingdao with Hongdao in Chengyang District and also the suburban Huangdao District across the waters in the northern section of Jiaozhou Bay in Shandong Province.
On October 21, 1879, Edison's electric lighting experiment could be regarded as modern technology research
SEMEM_SY automatic brush filter is controlled by a motor, electric cabinet, line (including control valves and differential pressure transmitter), executive components, filter components, stainless steel brush, framework components, transmission shaft, import and export of major parts of the connecting flange, etc. Realize remote control to save land area and save manpower and material resources.
Price means the rate at which the merchandise can be bought. A number of factors get excited about determining the price of a product. These include competition, market share, product identity, material costs along with the value customers perceive of a product. In fact cost is also dependant on competitor's products. If the competitors have the same product, then the buying price of something will go down.
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