4. Some integrated technologies are introduced, such as mix design of steel fibre beton, concrete pumping technique. Some practical examples are given.
介绍了钢纤维混凝土配合比设计，钢纤维混凝土泵送浇筑工艺等多项综合性技术，并给出实例。
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5. Mixing a little additive into the process of beton can modify capability of beton, save cement and enhance benefit of techno - economy. So it gets more and more regarding all over of world.
6. Mixing a little additive into the process of beton can modify capability of beton, save cement and enhance benefit of techno - economy. So it gets more and more regarding all over of world.
