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Ten million m³ of sand will be dredged from the seabed and delivered to the site to construct the new terminal. The project will conclude in, after which the

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EBZ75 cantilever-type roadheader. The arrangement of picks on cutting head is reasonable.It makes the machine has high cutting efficiency.

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Effects of nozzle position and waterjet pressure on …

In this study, the focus is on the effects of the nozzle position and waterjet pressure on the rock-breaking performance of a roadheader. Accordingly, the arrangements of the picks remain unchanged. In fact, the arrangement of the picks on the drum has an important effect on the rock-breaking performance. The optimum arrangements of the waterjet …

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Water Efficiency: Quarries and Sand and Gravel Operations WD-DWGB-26-8 2013 Water Efficiency: Quarries and Sand and Gravel Operations Washing and sorting aggregates is a water-intensive process. Considerable water is lost to evaporation

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a direct impact on the work efficiency, reliability and service life, as well as on economic efficiency of the whole machine. Due to the rugged working environment of cutting

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