请求美国政府协助调查"清华鉈中毒事件＂嫌疑人孙维。为了不让犯罪嫌疑人继续逍遥法外，为了使正义得到伸张，请您务必彻查此案。thank you！
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请求美国政府协助调查"清华鉈中毒事件＂嫌疑人孙维。为了不让犯罪嫌疑人继续逍遥法外，为了使正义得到伸张，请您务必彻查此案。thank you！