极小
发表于 2025-3-26 21:59:55
The Sulphur Mining Industry in Sicily Machines for the extraction of ore. Trade and export of sulphur: French and British merchants. Systems for melting sulphur. The Herman Frasch process and the end of the Sicilian world sulphur monopoly. The Cozzo Disi sulphur mine in Casteltermini: project of restoring and transforming it into a “Mu
刀锋
发表于 2025-3-27 04:49:56
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细菌等
发表于 2025-3-27 07:17:38
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人类的发源
发表于 2025-3-27 10:01:01
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expound
发表于 2025-3-27 14:10:56
The Museum of Engines and Mechanisms. More Than a Century of History of Technologynce and technology in the field of fluid machines and their components and testify to the development in scientific disciplines, technologies and industrial applications over the course of more than a century. A rigorous chronological path through the various typological groups allows for a historic
Narcissist
发表于 2025-3-27 18:05:40
History of the Trains Used on the Spanish Railway Line Madrid–Almoroxl railway lines. This is not a new phenomenon in Spain’s recent history. This work undertakes analysis of an old metric railway line from Madrid to Almorox. The design of the line was completed, and portions of the infrastructure, such as bridges and viaducts, were built. Not a single train has ever
Interregnum
发表于 2025-3-28 00:32:37
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averse
发表于 2025-3-28 03:04:17
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Herbivorous
发表于 2025-3-28 06:39:55
Community, Conflict and the State in detail the development of both branches of mechanics from a historical point of view. In this paper, Lagrange’s important contribution (Lagrange .) to the history of mechanics is presented and discussed in tribute to the bicentennial year of his death.
HUSH
发表于 2025-3-28 13:03:42
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