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本文对气体粉煤混合流在弯管段压力损失进行了分析，通过实验研究及回归分析，得到了气力输送粉煤在弯管段压力损失的计算公式
In this paper, the pressure loss of the gas-pulverized coal mixed flow in the elbow section is analyzed. Through the experimental research and regression analysis, the formula for calculating the pressure loss of pumped coal in the elbow section is obtained