作者赞成细石器是由特殊的工艺技术制成的石制品的观点，并将其范围限定在与此种技术相关的石制品之内。
The author agrees the viewpoint that microlithic is artifacts made by a special technology, and its content should be in the limit of artifacts related to this technology.
介绍在特殊夹层压力容器制造中对夹层壳体壁上进行开孔翻边热冲压成形的工艺技术。
This article describes a hot pressing formation technology to make flanged openings on special jacketed vessel shells.
介绍了施工中特殊的工艺技术措施和取得的效果，提出了该工法值得进一步探讨的几个问题。
Special technological measures and results in construction is introduced. Several problems on the method are worth further studying.
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