生物是否仅仅是一种有机物，一种在必要时可以压铸的多 细胞的 集合体呢？

Is a species simply an uberorganism, a collection of multicellular parts to be the-cast as needed?

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本文介绍了两种压铸新技术——真空压铸和充氧压铸的基本原理、设备、特点及应用。

The new technique of vacuum diecast and oxygenation diecast are introduced in some aspects, which are basic principle, equipment, characteristic and application.

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分析了薄壁壳体零件压铸的工艺性，采用顶板推出机构，解决了薄壁压铸件成型推出变形问题。

This paper analyses die casting process for shell part of thin wall, and a die-casting mould adopt pusher mechanism to solve the deforming problem of thin wall die-casting.

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