1. Commodity concrete, also known as pre-mixing concrete, referred to as the (commercial concrete), commonly known as ash or material: by the cement, aggregate, water and admixture, mineral admixture composition in accordance with a certain proportion, Station after the measurement, mixing and sale after the use of transport vehicles, within the specified time to reach the use of concrete mixing site. Concrete to the site after the general by the dump, pump and ground pump way to the ground, and then by the height of the workers in accordance with the height of the concrete paved.Steel fiber r...
Time:
2017
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