coalface 中文意思是什麼
coalface
解釋
採煤工作面-
The high - voltage flameproof switchgear is a key apparatus for 6kv - power supply system in underground mines. the switchgear is used for supplying power energy to hv working machinery or next lv distribution station in coalface
煤礦井下6kv電網防爆開關是礦井供電系統的關鍵設備，它負責向工作面和掘進面的工作機械提供電能。 -
Chose the type and kit of mechanic - electric equipments of coalface
採煤工作面機電設備的選型與配套 -
Numerical simulating the influence of mining across over main roadway to the main roadway in the bottom of coalface
跨采對影響底板巖巷穩定性的數值分析 -
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
摘要針對採煤工作面過斷層速度慢、效率低且影響煤質等缺點，提出工作面快速無矸石過斷層清潔開采技術。
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