It introduces the construction procedure of prefabricating caisson by semi - submerged barge practiced for the first time in Jinzhou Port.

介绍锦州港首例利用半潜驳预制沉箱的施工过程。

Currently, the method of prefabricating concrete high strength wall by pump transporting is still without successful precedent in our country.

目前，采用泵送法预制高强度混凝土井壁，在国内尚无成功的先例。

Factory prefabricating steel, clean the construction site, steel unlimited recyclable use, is on the earth's resources and environmental protection.

工厂化预制的钢材、清洁的施工现场、钢材无限次可回收利用，都是对地球资源和环境的保护。

In order to explore the new way of shortening the time of prefabrication of flap, the authors designed two groups of flap prefabricating to make a contrast.

为了探寻缩短皮瓣预制时间的新方法，作者设计了两组皮瓣预制方法进行比较。

This article mainly aims at the internal mold used in the process of prefabricating box-girder and conducts researches on it's structural style, activity principle and so on.

主要针对预应力箱梁在预制过程中所须的内模，在结构形式、使用原理等方面进行了研究。

This paper introduced the research, trial production, testing and application of jumper device of prefabricating aluminum pipe for multi-circuit strain tower in EHV transmission line.

介绍了超高压输电线路多回路耐张塔用预制式铝管跳线装置的研究、试制、试验及应用。

This paper introduces the process of prefabricating and installation, technical property for the rock wool sandwich exterior wall board with thermal insulation, fireproof and pressure releasing.

介绍了岩棉夹芯保温耐火泄压外墙板的预制和安装工艺、技术性能；