irritation
发表于 2025-3-30 10:10:10
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废墟
发表于 2025-3-30 15:03:30
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Isthmus
发表于 2025-3-30 17:42:11
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发炎
发表于 2025-3-31 00:37:27
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Ordnance
发表于 2025-3-31 00:55:48
Limitations and changes in the production process the production departments. Anything that is out of the ordinary, for any reason, entails extra costs; in fact it starts to do this as soon as it requires special attention from those running the business. One should, therefore, try to design in such a way that ordinary materials (such as cast iron
single
发表于 2025-3-31 06:56:28
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Immunoglobulin
发表于 2025-3-31 12:27:43
Introduction to general form designa very wide measure of freedom in all directions, and of not being bound by set canons. It is even more surprising that the designer himself is hardly aware of working within limits and would tend to be surprised if he were asked about these rules and conditions. Nevertheless, they do exist; and an
cajole
发表于 2025-3-31 15:38:04
The principle of constant wall thickness that hollow parts and flat or ribbed workpieces produced by casting or welding should preferably be made with a given uniform wall thickness. Seen from the functional viewpoint, there is in fact everything to be said against such a rule—take, for example, the strength characteristics of the pressur