girder without balla
查询英语单词中文释义、音标、发音和例句。
girder without ballast and sleeper
英
[girder without ballast and sleeper]
美
[girder without ballast and sleeper]
中文释义
无碴无枕梁
单词分析
单词结构：
girder without ballast and sleeper
字母数：34
记忆提示
🎯 重点记忆：
- 单词拼写：girder without ballast and sleeper
- 核心含义：无碴无枕梁
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更新时间：2026-09-02 14:32:40