The paper explains the verification importance, method, procedure and key points of the electrical working drawing of a refining chemical device and some problems of common drawings.
阐述了炼化装置的电气施工图纸审核的重要性、审核的方法、审核顺序、审核要点，以及常见图纸问题。
Then the key points in design of the automatic drawing die were discussed, including the structure, the working procedure, and the automatic feeding mechanism.
介绍了铝茶壶嘴的成形工艺，自动拉伸模具的结构、工作过程、设计要点及自动送料机构。
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