N26.2.26-圆或椭圆的扇形或扇区，带有切口的半圆或半椭圆
详情
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项目编号 N26.2.26 |
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项目名(en) Segments or sectors of circles or ellipses, semi-circles or semi-ellipses with cutout areas |
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项目名(es) Segmentos o sectores de círculos o elipses, semicírculos o semielipses con áreas recortadas |
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辅助细目说明 第 26.2 章的辅助章节（与主要章节 26.2.1-26.2.12、26.2.26 相关）Auxiliary Sections of Division 26.2 (associated with Principal Sections 26.2.1-26.2.12, 26.2.26) |
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版本 VCL 9 |