标准制定者！0.001毫米量具全靠手工打磨！研磨师叶辉无黏合剂将两金属合二为一！| 挑战不可能 Impossible Challenge
Synopsis
本期简介：研磨师二十年如一日成为“制造标准的人”，成功将两金属无粘剂合二为一并承受500kg拉力。 【欢迎订阅CCTV挑战不可能 ...
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