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Visitors try hearing-aid devices at the 2019 Beijing International Audiology Conference in Beijing, capital of China, June 8, 2019. The 2019 Beijing International Audiology Conference kicked off here Saturday. (Xinhua/Lu Peng)
2019 Beijing Int'l Audiology Conference kicks off
Source: Xinhua| 2019-06-08 15:21:32|Editor: Li Xia
