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back-up bearing
back-up bearing
英
[back-up bearing]
美
[back-up bearing]
中文释义
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单词分析
单词结构:
back-up bearing
字母数:15
记忆提示
🎯 重点记忆:
单词拼写:back-up bearing
核心含义:[机] 支承轴承
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更新时间:2026-03-11 05:12:20