A triangle is a basic drawing operation on which you can build more abstract operations.
三角形是基本的绘图操作，在此基础上可建立更为抽象的操作。
Basic operation skill for Surface Grinder, Milling Machine and Lathe, Knowledge in basic engineering drawing and basic mold tooling concept.
能操作熟悉平面磨床，手动铣床，车床等设备，能看懂基本的工程图纸，具备基本的模具概念。
Drawing used to make final decision with basic mould messages such as structure, operation, main dimension, special requirements and so on.
具备模具结构、运作、主要尺寸、特别要求等，定案会议用图纸。
This paper states the basic principle of operation of cold drawing and straightening machine. It derives basic formula to determine the major size and parameters.
说明了该冷拉调直机的基本工作原理，推导了确定关键尺寸参数的基本公式。
This paper states the basic principle of operation of cold drawing and straightening machine. It derives basic formula to determine the major size and parameters.
说明了该冷拉调直机的基本工作原理，推导了确定关键尺寸参数的基本公式。
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