顶分 meaning in English
top
Examples
- Gas control of top slice working face with stage roadway
腰巷治理顶分层工作面瓦斯 - Application of gas drainage from gob in gas control of top slice
采空区抽放在顶分层瓦斯治理中的应用 - Influence of roof bedding characteristic to first weighting interval
老顶分层厚度对工作面初次来压步距的影响 - Theory and practice on the control of amp; quot; three - weak amp; quot; strata
任楼矿7煤顶分层工作面矿压显现特点及其控制 - Application of across - drillhole water infusion to prevent gas outburst in excavating face
顶分层工作面瓦斯综合治理措施