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double helical spur wheel
double helical spur wheel
英
[double helical spur wheel]
美
[double helical spur wheel]
中文释义
人字齿轮
单词分析
单词结构:
double helical spur wheel
字母数:25
记忆提示
🎯 重点记忆:
单词拼写:double helical spur wheel
核心含义:人字齿轮
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更新时间:2026-02-03 20:17:27