points protection
查询英语单词中文释义、音标、发音和例句。
points protection
英
[points protection]
美
[points protection]
中文释义
[铁路] 道岔防护
单词分析
单词结构:
points protection
字母数:17
记忆提示
🎯 重点记忆:
- 单词拼写:points protection
- 核心含义:[铁路] 道岔防护
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更新时间:2026-08-30 17:49:27