primary excavation
查询英语单词中文释义、音标、发音和例句。
primary excavation
英
[primary excavation]
美
[primary excavation]
中文释义
一次回采;初挖
单词分析
单词结构:
primary excavation
字母数:18
记忆提示
🎯 重点记忆:
- 单词拼写:primary excavation
- 核心含义:一次回采;初挖
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更新时间:2026-09-01 03:14:53