... 波纹填料塔 mellapak column 填料塔计算 packed column calculator 高效填料塔 high efficiency packing tower ...
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high assay efficiency packing tower 高效填料塔
high efficiency regular packing tower 高效规整填料塔
high efficiency structured packing tower 高效规整填料塔
High-Efficiency Mesh Corrugation Packing Tower 高效网孔波纹填料
The new process of domestic pa refining and the technique of high efficiency regular packing tower are introduced.
介绍了国内苯酐精制新工艺和高效规整填料塔技术。
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