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preparation engineer
preparation engineer
英
[preparation engineer]
美
[preparation engineer]
中文释义
[矿业] 选矿工程师
单词分析
单词结构:
preparation engineer
字母数:20
记忆提示
🎯 重点记忆:
单词拼写:preparation engineer
核心含义:[矿业] 选矿工程师
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更新时间:2026-01-29 23:34:28