gravel bed filter
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gravel bed filter
英
[gravel bed filter]
美
[gravel bed filter]
中文释义
粒层除尘器
单词分析
单词结构:
gravel bed filter
字母数:17
记忆提示
🎯 重点记忆:
- 单词拼写:gravel bed filter
- 核心含义:粒层除尘器
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更新时间:2026-09-21 08:48:53