step sagging guard
查询英语单词中文释义、音标、发音和例句。
step sagging guard
英
[step sagging guard]
美
[step sagging guard]
中文释义
梯级塌陷防护装置
单词分析
单词结构:
step sagging guard
字母数:18
记忆提示
🎯 重点记忆:
- 单词拼写:step sagging guard
- 核心含义:梯级塌陷防护装置
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更新时间:2026-08-30 23:29:30