.透氣性；氣體滲透率
氣體滲透性；透氣率；氣測滲透率
例句篩選
1.
Study on Utilizing the Hydraulic Cutting Seam Technology to Improve the LowGas Permeability Coal Seam and Gas Drainage
利用水力割縫提高低透氣性煤層瓦斯抽放的試驗研究
2.
Comprehensive Gas Control Techniques and Practice of Extra-thick Seamswith Low Gas Permeability in Luling Coal Mine
蘆嶺煤礦特厚低透氣性煤層瓦斯綜合治理技術與實踐