seam coal

煤层煤

常用释义

煤层煤

例句

Research on necessary equipment of thin seam coal full mechanized mechanization and its key technical problem

薄煤层综采机械化装备配套及关键技术的研究

Fixed Equipment for Drive End Unit of Scraper-conveyor Used in Thin Coal Seam Coal Faces

薄煤层工作面刮板输送机机尾固定装置

Blasting parameters optimized to improve lump coal rate of thin seam coal mining face

薄煤层提高块煤率的爆破参数优化

Double Unit Coal Mining Technology for Thin Seam Coal Mining Tace with Road Retained for Next Sublevel

薄煤层沿空留巷对拉开采技术

Double-unit coal mining technology for thin seam coal mining face with road retained for next sublevel

薄煤层采煤工作面沿空留巷对拉开采技术

Application of Plow to Realize High-productive and High-efficiency on Thin Coal Seam Coal Face

应用刨煤机实现薄煤层工作面的高产高效

Comprehensive Control for Methane from Gassy and Thick -coal Seam Coal Mining Face

高瓦斯厚煤层采煤工作面的瓦斯综合治理

Thin seam coal shearer with electric magnetic speed control haulage

电磁调速电牵引薄煤层采煤机

Application of water injection technology in steep seam coal

注水技术在急倾斜煤层中的应用

Thin Seam Coal Mining of Steep Slope and Short Distance

急倾斜近距离薄煤层的开采