流化煤层coal bed: 煤层。 combination of coal on fluidized bed: 煤的流化床燃烧fluidized bed coal system: 流化床燃煤系统fluidized bed coal-fired heater: 流化床烧煤加热炉beds: 密蜡蜡下载手机词典可随时随地查词查翻译