压迫
发表于 2025-4-1 05:14:02
iables affect the levels and composition of spending around the world and consequently affect the end-of-period stocks of the various manufactured goods and natural resources, which in turn affect future production, employment, prices, and wages.
编辑才信任
发表于 2025-4-1 09:42:00
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平淡而无味
发表于 2025-4-1 12:06:48
,Macro — Mass Transport,The mechanisms of mass transport include species diffusion and momentum transfer (fluid convection). The effects of these mechanisms on casting solidification will be discussed in this chapter.
我邪恶
发表于 2025-4-1 17:23:27
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