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maintenance-free bearing
maintenance-free bearing
英
[maintenance-free bearing]
美
[maintenance-free bearing]
中文释义
[化] 自润滑轴承
单词分析
单词结构:
maintenance-free bearing
字母数:24
记忆提示
🎯 重点记忆:
单词拼写:maintenance-free bearing
核心含义:[化] 自润滑轴承
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更新时间:2026-02-21 03:51:52