circulating fluidized bed downer
... differential pulse code modulation 差值脉冲编码调制 circulating fluidized bed downer 下行床 alterative mineralized belt 蚀变矿化带 ...
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circulating fluidized bed downer
循环流化床降料器
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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And catalysts of higher activity should be developed to fit the new kind of circulating fluidized bed reactor, downer, for the FCC process.
下行床用于催化裂化过程，与之较匹配的应该是具有更高活性的催化剂，研制新型高活性催化剂也是下行床推向工业的重要措施之一。
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