林: forest; woods; grove床: I层: I storey; tier; stratum林床: forest floor床层: bed林床植物: floor plant道床层: ballast covering; ballastcovering床层空隙率: bed voidage床层裂化: bed cracking床层密度: bed density; bed depty床层膨胀比: bed expansion ratio床层体积: bed volume床层温度: bed temperature床层增涨: bed expansion床层组成: bed-component催化床层: catalytic bed多床层的: multi-bed混床层析: mixed bed chromatography; mixed-bed chromatography混合床层: mixed bed焦炭床层: coke bed颗粒床层: granular bed流态化床层: fluid bed脉动床层: jigged mobile bed; mobile bed密相床层: dense bed木炭床层: charcoal bed
