人类的发源 发表于 2025-3-26 23:55:57

Paolo Ruggiero the British ‘civilizing’ nation in India. This powerful, normally ‘moral’ man faced two main problems — the difficulty of administering an unappreciative and ungrateful subject people, and struggling against the profit-seeking, immoral Company and Directors who opposed his civilizing activities on

阻挡 发表于 2025-3-27 02:44:59

George J. Brewer limitation of the annual meeting of the American Urologic Association or the urology section of the American Academy of Pediatrics is that the scientfic sessions are limited as these are meant to be primarily clinical meetings (as they should be). For this reason the idea of a meeting devoted solel

GROWL 发表于 2025-3-27 08:28:01

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forthy 发表于 2025-3-27 12:06:31

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连系 发表于 2025-3-27 14:33:45

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narcotic 发表于 2025-3-27 18:13:22

Miha Grilc,Blaž Likozar,Janez Levecogramme after one year of testing. Differences between fibres are clearly identified, within the same type of fibres or between different types (metallic/polymeric). A comparison is also made with specimens reinforced by a wire welded mesh.
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查看完整版本: Titlebook: Bergbaumechanik; Lehrbuch für bergmän Maercks,W. Ostermann Textbook 19585th edition Springer-Verlag Berlin Heidelberg 1958 Bergbau.Handbuch