from "GONGREN RIBAO"(Workers Daily)IN Quanzhou County in the Guangxi Zhuang Autonomous Region, a senior high school graduate, after years of diligent study, has become a methane gas expert acclaimed...
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from "GONGREN RIBAO"(Workers Daily)IN Quanzhou County in the Guangxi Zhuang Autonomous Region, a senior high school graduate, after years of diligent study, has become a methane gas expert acclaimed...