extension line

短语词组

短语

• extension n line 分机线
• extension and line counter specification 扩展和行计数说明
• coefficient of extension line 展线系数
• extension line for dimension 尺寸标注引出线
• extension line offset 尺寸界线偏移
• The West extension line 西延线
• restricted extension line 受限分机线
• pulse extension line 脉冲扩充线
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