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More than 300 public aquariums worldwide, and more than 100 have opened since 1990. According to incomplete statistics, aquariums (including those in zoos) attract up to 450 million visitors yearly, with far-reaching economic and educational implicat…
The German import price index rose 4.3 percent month-on-month and 32.7 percent year-on-year in August 2022 due to energy shortages, the largest year-on-year increase since March 1974, data from the German Federal Statistical Office showed on October…
Copper clad steel stranded wire is made of a certain number of copper-plated single wires twisted by a stranding machine. As the name suggests, copper clad steel is a round steel surface electroplated, so it is a composite cord with a copper layer tw…