lateral tolerance symbol 尺寸公差符号 ; 侧向公差符号 ; 尺寸公差符号侧向公差符号
Geometric Tolerance Symbol 形位公差符号
crest diameter tolerance symbol 螺纹大径公差符号
geometrical characteristic tolerance symbol 几何特性公差符号
Statistical Tolerance Symbol 统计公差符号
pitch diameter tolerance symbol 节径符号
Projected tolerance zone symbol 浮凸公差区符号
a symbol of great tolerance 恢宏气度的象征
If the element being tested with a tolerance requirement is a contour line or surface, point the arrow and datum symbol to the contour line or surface, and keep it away from the dimension line.
当具有公差要求的被测要素为线或平面时，将指引线箭头和基准符号指在线或平面上，且必须与尺寸线错开。
If the element being tested with tolerance requirements is an axis, centre line or symmetrical plane, the arrow and datum symbol should be aligned to the dimension line of that element.
当被测要素为轴线、中心线或对称平面时，指引线的箭头和基准符号应与该要素的尺寸线对齐。
Ordinary Low Carbon Steel Wire, Annealed Low Carbon Steel Wire, Galvanizedclassification, Symbol of Grade , Tolerance and Remarks.
光线，火线，铅水线及制造钉用低碳钢线之代号、公差及备注。
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