沸腾炉是一种新型的燃烧方式，浙江省七年来的实践表明，溢流式沸腾炉是燃用低热值劣质石（火乚）的一种合理炉型。

According to experience in Chekiang within the past seven years, it is clear that over-flow type fluidized bed furnace is a rational type for burning low calorific value and low grade stone coal.

沸腾炉是一种新型的燃烧方式，浙江省七年来的实践表明，溢流式沸腾炉是燃用低热值劣质石（火乚）的一种合理炉型。

According to experience in Chekiang within the past seven years, it is clear that over-flow type fluidized bed furnace is a rational type for burning low calorific value and low grade stone coal.