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：2025-12-23 10:56:16