grade of coal
美式发音
英式发音
词典收录
| 英文单词： | grade of coal |
|---|---|
| 中文翻译： | 煤分级;煤级;煤炭分类;煤炭品质分类 |
词汇解析
煤分级;煤级;煤炭分类;煤炭品质分类
常见用法
grade of coal 的常见用法：
- grade of coals
- grade of coal of
- the grade of coal
最新更新单词
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更新时间：2025-04-27 01:54:31