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零件的视图选择，尺寸注法及技术要求。
View selections, dimensioning and technical requirements of parts.
youdao
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装配图的视图选择、尺寸注法及技术要求。
View selections, dimensioning and technical requirements of assembly drawings.
youdao
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装配图的视图选择、尺寸注法及技术要求。
View selections, dimensioning and technical requirements of assembly drawings.
youdao