在粉料输送管道磨损问题中，研究了粉料粒度、输送浓度和输送气体压力对磨损量的影响。
Of the problems of tube wear with powder, the influence of particle size, concentration and pressure of carrier gas on erosion was studied.
本试验的结论将有助于控制与减少顺序输送中原油在管道中的沉积成膜量，并降低对后续成品油的色度污染。 可应用于长距离输油管道的顺序输送中。
This research can help to reduce the aggradation and control the color pollute in the order transportation of crude oil and diesel oil in the pipeline.
随着天然气消费量逐年增长的趋势，充分考虑长距离输送的经济性和技术可行性，建设LNG长输管道非常必要。
Along with the increase of natural gas consumption and considering the economic efficiency and technical feasibility, it is greatly necessary to build LNG long-distance pipelines.
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