X-datum line
查询英语单词中文释义、音标、发音和例句。
X-datum line
英
[X-datum line]
美
[X-datum line]
中文释义
穿孔卡片基准线
单词分析
单词结构：
X-datum line
字母数：12
记忆提示
🎯 重点记忆：
- 单词拼写：X-datum line
- 核心含义：穿孔卡片基准线
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更新时间：2026-09-20 18:56:27