Categorizing bowl, plate, cup, and then classified packing.
先将碗、盘、杯子分类，再分类装箱。
Ths paper relates the reasons that cause static electricity as well as the electron circuit plate. It also introduces anti-electrostatic packing of electron circuit plate and tests technology.
本文叙述了静电产生的原因及静电对电子线路板的危害，还介绍了电子线路板的防静电包装方案及检测技术。
The design method for optimizing an absorption unit in chemical processes is discussed and a process approach for optimizing a plate or packing column is proposed.
本文探讨了化工过程中吸收装置设计的优化途径，提出对板式或填料吸收装置施行优化设计的工艺方法。
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