单词：expanded bed
expanded bed的用法和样例：
例句
- All kinds of crushers.which are selected for the fuel preparation system of boiled bed combustion furnace,exist the problems of blocking and crushed material supersize.沸腾床燃烧锅炉燃料制备系统中所选用的各种破碎机，不同程度地存在着堵塞和破碎后物料超粒度的问题。
- An Expanded bed is a stable fluidized bed which has no backmixing.It can capture product directly from the crude feed without the removal of solid particles.膨胀床是稳定无返混的流化床，它可直接从料液中吸附目标产物，不需预先除去料液中的颗粒。
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