backfill material

英 [backfill material]
美 [backfill material]

中文释义

填材料

单词分析

单词结构：

backfill material

字母数：17

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  • 单词拼写：backfill material
  • 核心含义：填材料

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更新时间：2026-03-11 04:29:05