Wholesale and retail business, pearl rings, brooches, bracelets, necklaces, Erding, pendants and loose pearls, pearl powder, pearl tower animal products such as a pearl pearl products.
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5. 文章对规整填料、散堆填料和塔板性能进行了比较,计算了塔设备的能耗,并列举了精馏塔的应用实例。
The comparison of performance among regular packing, conventional packing and tray is given. Energy consumption is calculated. Application examples are listed.
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6. 文章对规整填料、散堆填料和塔板性能进行了比较,计算了塔设备的能耗,并列举了精馏塔的应用实例。
The comparison of performance among regular packing, conventional packing and tray is given. Energy consumption is calculated. Application examples are listed.