coalface

音標(biāo)發(fā)音

Many of the best ideas come from doctors at the coalface.
許多最好的意見都來自臨床醫(yī)師。
The structure is compact ,and the water pump covers small area.It accord with the need of the coalface.
該噴霧泵結(jié)構(gòu)緊湊，占地面積小，符合采煤工作面的要求。
The gas transport process in tunnel and the cause of gas accumulation at the upper corner of coalface are described.
論述了煤層巷道及工作面上隅角瓦斯運移過程及其局部區(qū)域和上隅角形成瓦斯積聚的原因;
Aimed at the shortcomings of coalface passing through fault as low speed, low efficiency and low-quality coal and so on, a new technique was suggested.
摘要針對采煤工作面過斷層速度慢、效率低且影響煤質(zhì)等缺點，提出工作面快速無矸石過斷層清潔開采技術(shù)。
Therefore, the location of terminal line of the coalface should be put at the place where main roof periodic weighting process has already done.
因此，工作面終采線的位置，應(yīng)盡可能確定在老頂巖層周期來壓完成之后。