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safe railway operation
safe railway operation
英
[safe railway operation]
美
[safe railway operation]
中文释义
[铁路] 铁路安全运行
单词分析
单词结构:
safe railway operation
字母数:22
记忆提示
🎯 重点记忆:
单词拼写:safe railway operation
核心含义:[铁路] 铁路安全运行
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更新时间:2025-12-11 20:02:40