Understand the functions and contents of detail drawings. Understand representation methods of typical parts and common process structures.
了解零件图作用与内容，了解典型零件表达方法及常见工艺结构。
Understand the functions and contents of detail drawings. Understand representation methods of typical parts and common process structures.
了解零件图作用与内容，了解典型零件表达方法及常见工艺结构。
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