ineluctable
发表于 2025-3-26 21:36:15
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形容词词尾
发表于 2025-3-27 04:09:59
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宽大
发表于 2025-3-27 06:03:44
Katy Shawand chemical industry produces about one hundred and fifty million tons of synthetic chemicals annually. We ship billions of tons of oil per year and through mining operations and other geophysical modifications, large quantities of inorganic and organic materials are released from their natural dep
gerrymander
发表于 2025-3-27 12:40:35
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JOG
发表于 2025-3-27 13:36:12
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箴言
发表于 2025-3-27 21:02:19
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斜
发表于 2025-3-28 01:38:11
Claude Gignoux,Bernard Silvestre-Bracetal forming. Part I covers metal forming and shearing processes. It describes the main features of these processes, the tooling required and fields of application. Practical examples show how to c- culate the forces involved in forming and the strain energy. Part II describes forming machines and s
MOAT
发表于 2025-3-28 04:06:20
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