释义 |
相似短语
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drainage of coal pits
煤矿矿井排水
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compressed air in coal pits
煤矿矿井压缩空气
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coal mine drainage
煤矿排水
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drainage of coal mines
煤矿排水
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production capacity of coal pits
煤矿矿井生产能力
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production process of coal pits
煤矿矿井生产流程
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production preparation of coal pits
矿井生产准备
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ventilation of coal pits (煤矿)
矿井通风
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chain coal cutter
链式截煤机
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coarse grained coal
粗纹理煤
相似单词
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coal
n.
1.[U]煤,木炭
2.[C]煤块
v.[I]
加煤
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drainage
n.[U]
1. 排水;放水
2. 排水系统
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pits
n. 坑
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coal hatch
n. 上煤口
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coal mining
adj.
煤矿业的
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coal heaver
n. 上煤工人, 运煤工人
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coal tit
n. 〈动〉煤山雀
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coal whipper
n. 卸煤工人, 卸煤机
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coal bed
n. 煤层
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coal factor
n. 煤炭批发商
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