gas-pulverized coal fired boiler

例句：

1. 1. The new gas-pulverized coal fired boiler has greatly improvedthe efficiency of our factory's production.
   新型燃气粉煤锅炉大大提高了我们工厂的生产效率。
2. 2. The gas-pulverizedcoal fired boiler is widely used in industrialheating and power generation.
   燃气粉煤锅炉广泛应用于工业供热和发电。
3. 3. The gas-pulverized coalfired boiler is an important energy-saving equipment in the industry.
   燃气粉煤锅炉是工业中重要的节能设备。