coal bed and gas bed

ebullated bed ebullating bed

ebullated bed reactor ebullating bed reactor

ebullating bed reactor ebullated bed reactor

(fluidized) bed

1D mobile bed numerical model

Ⅱ 1 coal bed

Ⅱ1 coal bed

300 MW circulating fluidized bed

300 MW unit circulating fluidized bed boiler

3—layer mixed bed

3S coal bed

a bed

a bed of down

a bed of flowers

a bed of honor

a fluidized bed

absorbent bed

absorbtion bed