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tight manhole cover
tight manhole cover
英
[tight manhole cover]
美
[tight manhole cover]
中文释义
密封式入井盖板;检查井密盖
单词分析
单词结构:
tight manhole cover
字母数:19
记忆提示
🎯 重点记忆:
单词拼写:tight manhole cover
核心含义:密封式入井盖板;检查井密盖
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更新时间:2026-02-04 20:37:15