ash-bed diabase 凝灰辉绿岩

volcanic ash bed 火山灰层

ash agglomerating fluidized-bed gasifier 灰团聚流化床气化炉

bed ash 床渣

Return Air-Cushion-Bed Cooler of ash 返回式气垫床冷渣机

a fluidized-bed ash 流化床灰

fluidized bed ash cooler 流化床冷渣器

fluidized bed fly ash 流化床粉煤灰

fluidization bed fly ash 流化床粉煤灰