precast怎么读，precast什么意思，precast短语和例句

1.Based on many tests, we studied mixture ratio of watercourse precast concrete board.

在大量试验基础上，对预制板混凝土配合比进行研究。

2.Nowadays, solid walling is generally constructed of either bricks, precast concrete blocks or in-situ concrete.

目前，实体墙通常采用砖、混凝土砌块砌筑或用钢筋混凝土浇注而成的。

3.They are employed by construction companies, cement and concrete contractors and manufacturers of precast concrete products, or they may be self-employed.

他们受雇于建筑公司，水泥和混凝土承包商和预制混凝土产品的制造商，或者他们可能成为自雇人士。

4.This paper states several causations of slab crack in precast slab slot and puts forward relevant prevention measurements.

本文论述了预制楼板板缝开裂的几种原因，并针对其原因提出了相应的防治措施。

5.The facade manufactured of precision precast concrete segments give the building a spatial depth.

精密预制混凝土单元制造的立面给建筑带来空间深度。

6.This bridge was built with precast channel girder sections, but could be built with AASHTOI girders or box sections.

该桥是采用预制的槽型梁修建的，但是也可利用AASHTOI的标准工型梁或箱型梁修建。

7.The reflected landscape is visible in both materials glass and polished precast concrete.

几乎所有的材料，玻璃、抛光混凝土，都在反映折射着周围额景观。