预制

In harbour construction, precasting caissons with slipform construction technology is a new attempt.

港口施工中，利工艺预制沉箱是一种新的尝试。

A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.

提出了预制厚钢板焊缝断裂韧度试样疲劳裂纹的“高K比法”。

In this paper .bridge-indentation method is adopted to precrack in ceramic specimens, and the advantage as well as disadvantage are discussed.

本文首先对桥压法预制原生裂纹进行了研究,然后对桥压法存在的问题提出了一种简便而有效的陶瓷材料原生裂纹的预制方法——静态膨胀法。

The technique of pier integral precasting at the sea was researched and applied in the innavigable section construction of Donghai Bridge(the first bridge at the sea in China).

上墩柱整体预制吊装在我国第一座外桥梁桥非通航段施工中得以研究和全面应。