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sealed-off tube
sealed-off tube
英
[sealed-off tube]
美
[sealed-off tube]
中文释义
密封管
单词分析
单词结构:
sealed-off tube
字母数:15
记忆提示
🎯 重点记忆:
单词拼写:sealed-off tube
核心含义:密封管
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更新时间:2026-04-12 06:17:23