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double helical spur gear
double helical spur gear
英
[double helical spur gear]
美
[double helical spur gear]
中文释义
[化] 人字齿轮
单词分析
单词结构:
double helical spur gear
字母数:24
记忆提示
🎯 重点记忆:
单词拼写:double helical spur gear
核心含义:[化] 人字齿轮
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更新时间:2026-02-04 11:17:39