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double-seal manhole cover
double-seal manhole cover
英
[double-seal manhole cover]
美
[double-seal manhole cover]
中文释义
复式人孔封盖
单词分析
单词结构:
double-seal manhole cover
字母数:25
记忆提示
🎯 重点记忆:
单词拼写:double-seal manhole cover
核心含义:复式人孔封盖
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更新时间:2026-04-14 03:55:43