N-COUNT In a coal mine, the coalface is the part where the coal is being cut out of the rock. 煤层截面
Many of the best ideas come from doctors at the coalface.
许多最好的主意都来自临床医师。
The structure is compact, and the water pump covers small area. It accord with the need of the coalface.
该喷雾泵结构紧凑，占地面积小，符合采煤工作面的要求。
The structure of the water pump is compact, and the water pump covers small area. It accord with the need of the coalface.
该喷雾泵结构紧凑，占地面积小，符合采煤工作面的要求。
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