reversing shaft 中文意思是什麼
reversing shaft
解釋
倒擋軸-
Scheme and its practice of reversing airflow in multi - shaft mine
多風井聯合通風的礦井反風方案及其實施 -
Influence of nature ventilation pressure against reversing ventilation in multi air shaft level mine
淺議自然風壓對多風井多水平通風礦井反風的影響 -
Influence of nature ventilation pressure against reversing ventilation in multi air shaft amp; amp; level mine
淺議自然風壓對多風井多水平通風礦井反風的影響
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