总尺寸一般应该标注。
技术图纸。尺寸。一般原则、定义、标注方法和特殊画法。
Technical drawings - Dimensioning - General principles, definitions, methods of execution and special indications.
国家标准对形位公差指引线制定有一般的标注示例，但没有较详细的文字说明，致使形位公差指引线出现比较混乱的的使用问题。
There are some label samples about shape and place error in national standard, but without letter explanation. It makes shape and place error label leader line using disordered.
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