trace element in coa
查询英语单词中文释义、音标、发音和例句。
trace element in coal
英
[trace element in coal]
美
[trace element in coal]
中文释义
煤中微量元素
单词分析
单词结构:
trace element in coal
字母数:21
记忆提示
🎯 重点记忆:
- 单词拼写:trace element in coal
- 核心含义:煤中微量元素
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Suberites
更新时间:2026-09-27 06:30:22