欧美日韩国产色综合一_免费国产无毒三级在线看_国产免费一级高清婬中国片_国产色综合久久久

CN
Light weight of auxiliary facilities on railway bridge deck
Light weight of auxiliary facilities on railway bridge deck
Specification

Features

1、All the components are prefabricated in the factory, and only need to be assembled on site, so the construction period is short and the efficiency is high

2、High strength to quality ratio, compared with concrete products, the weight is one tenth or less under the same strength

3、Acid and alkali resistance, aging resistance

4、Maintenance free in the whole life cycle

5、The service life can be more than 50 years

6、Light weight, lifting does not need heavy equipment, easy to install

7、Non brittle failure mode, higher safety.

Application

Products Detail
Messages Online