单词：coal-cutter
coal-cutter的用法和样例：
例句
- The purpose of inviting you to come here is to discuss the purchase of some long wall coal cutters.这次请您来想谈谈长臂采煤机的进口问题。
- The reserves of thin coal seam shearer and the developing trend of coal seam shearer of our country are analysed.分析我国薄煤层储量以及薄煤层采煤机的发展状况及趋势。
单词：coal-cutter 相关文章
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