Dimensions, thread gaging, minimum wall thickness and burst pressure, material classification, various quality aspects and requirements for marking identification are stipulated.

尺寸，螺纹规，最小壁厚和爆裂压力，材料分类，各种质量要求和所规定的标记和标识要求等。

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Dental rotary instruments - Diamond instruments - Part 1: Points - Dimensions, requirements, marking and packaging.

牙科旋转仪器。金刚石仪器。第1部分：尖端。尺寸、要求、标记和包装。

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The reason for noncoplane generated by space four latera during machining is analysed. The way for rational marking standard space plane dimensions and its theoretical bases are expounded.

分析空间四边平面加工过程中产生不共面的原因，提出了合理标注空间平面尺寸的方法并阐述了其理论根据。

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