深渊 发表于 2025-3-27 00:14:04

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Hamper 发表于 2025-3-27 03:55:53

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宪法没有 发表于 2025-3-27 06:10:58

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CAND 发表于 2025-3-27 10:32:00

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craven 发表于 2025-3-27 14:14:14

Some Aspects of Structural Steelwork Design,l down and shall not deflect excessively under load. The difficulties are these: firstly there is no chance of a prototype, the test bed is usually the general public; the second problem is that of economy. In a large structure most of the material has the job of supporting the other material. Even

indicate 发表于 2025-3-27 18:55:02

Pressure Vessels,nt of yield is tolerated, this is described as shakedown. Moreover the shapes and details are highly standardised and well proven by previous service data and near full-size specimen tests. Weight as such is not critical. The pressure to economise, though laudable within limits, is aggravated by the

富饶 发表于 2025-3-27 22:54:52

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发现 发表于 2025-3-28 04:06:16

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Biomarker 发表于 2025-3-28 06:50:00

Estimation of Air Pollution from Ships in the Boka Kotorska Bay,t potential in terms of economy, but also great danger if environmental issues are taken into consideration. Emission from cruise ships represents majority of anthropogenic emissions of pollutants in this area, since there are no merchant ports and industrial plants in the bay..In this paper exhaust

小母马 发表于 2025-3-28 13:59:12

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查看完整版本: Titlebook: Designing for Strength; Principles and Pract Peter Polak Textbook 1982Latest edition Peter Polak 1982 Aluminium.civil engineering.communica