形状
发表于 2025-3-28 17:02:11
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谷类
发表于 2025-3-28 19:19:57
Numerical Analysis of the Dynamic Impact of a Gun Barrel During Firing,he mass of the projectile being fired affects the occurring barrel vibrations. Numerical simulations were performed in the ABAQUS program, and then the results were compared with the experimental results. The relationship between the vibrations caused by the mass movement in the barrel and the direc
mercenary
发表于 2025-3-29 02:29:34
Concept of Sensor for Mining Machines Powered by Pressure Changes, but due to high temperature in workings it is difficult. Regulations resulting from the ATEX Directive limit a possibility of modernization of the existing systems for control of machines and use of additional measuring sensors with wires. A concept of electricity generator, designed to power the w
Affection
发表于 2025-3-29 06:38:11
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水土
发表于 2025-3-29 09:13:35
Krzysztof Jamroziak,Miroslaw Bocian,Dariusz Pyka,Maciej Kulisiewicz
倔强不能
发表于 2025-3-29 11:25:31
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BANAL
发表于 2025-3-29 16:40:29
Wacław Banaś,Kamil Lyseks new and rapidly evolving field. This well-written book is well suited for undergraduate or graduate lecture courses, and makes easy reading not only for the researcher but also for the interested physicist, mathematician, and engineer.978-3-540-70748-6Series ISSN 0081-3869 Series E-ISSN 1615-0430
泥土谦卑
发表于 2025-3-29 23:45:51
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乞丐
发表于 2025-3-30 02:13:09
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Asparagus
发表于 2025-3-30 06:13:54
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