结合工程实践对施工工艺、设施布置、井架制安、质量安全要求进行了介绍。
This article introduces the construction technology, facilities layout, derrick system security, quality and safety requirements.
通过对模板系统的设计施工、钢筋制安及混凝土浇筑等几个方面的系统论述，阐明了胸墙施工的主要施工工艺及质量控制要点。
Special constructing techniques are applied in formwork system in order to ensure constructing quality and save time, and quality control points are also introduced.
尼安德特人制造的石制工具却表明了另一种情况。
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