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https://www.thehindu.com/news/national/coronavirus-ventilators-from-firms-funded-by-pm-cares-fail-trials/article32416810.ece
您即将离开知乎,请注意您的帐号和财产安全。
https://www.thehindu.com/news/national/coronavirus-ventilators-from-firms-funded-by-pm-cares-fail-trials/article32416810.ece