coal-accumulation area
常見例句
- Coal-genetic gas is a kind of important natural gas. Coal-bearing formations in upper Paleozoic were well developed in Jiyang area, and this is essential for scale accumulation of coal-genetic gas.
濟陽地區(qū)煤系有機質(zhì)二次生烴特征及勘探思路煤成氣是一種重要的天然氣資源，濟陽地區(qū)上古生界煤系地層廣泛分布，是煤成氣形成規(guī)模聚集的基礎(chǔ)。 返回 coal-accumulation area