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railway operation
railway operation
英
[railway operation]
美
[railway operation]
中文释义
铁路运营
单词分析
单词结构:
railway operation
字母数:17
记忆提示
🎯 重点记忆:
单词拼写:railway operation
核心含义:铁路运营
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更新时间:2026-01-14 03:48:29