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Massive machines require engineering extremes. The massive man-made satellite, commonly known as the International Space Station, hurtling around the Earth at 27,600 km an hour, has been a temporary home for humans for the last 20 years. The biggest land vehicle on earth, a bucket excavator titled Bagger 293, that can move 240,000 cubic meters of dirt each day. Innovation has a...。Dongnan, a 58-year-old long-time employee at a restaurant, is known for his "Chao Geng" (slacking off) tactics. Despite working for many years, his career has stagnated due to his unreliability and arrogance, leading to his demotion as a security guard. At home, he frequently argues with his wife and is neglected by his family. Dongnan has always dreamed of becoming his own bos...。《黑钻—焦煤的中国故事》于2024年1月24日—26日22:00在央视财经频道播出，全片共3集，每集30分钟。纪录片通过梳理中外上百年的历史和科学的数据分析，采访大量的国内外专家学者和炼焦煤、钢铁企业等，全面展示了焦煤的“前世今生”，揭示了焦煤的成因与成分，充分论证了焦煤的稀缺性和战略地位。。