sound insulation gra
查询英语单词中文释义、音标、发音和例句。
sound insulation grading
英
[sound insulation grading]
美
[sound insulation grading]
中文释义
隔声等级
单词分析
单词结构:
sound insulation grading
字母数:24
记忆提示
🎯 重点记忆:
- 单词拼写:sound insulation grading
- 核心含义:隔声等级
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更新时间:2026-08-31 19:26:21