常見(jiàn)例句雙語(yǔ)例句Resinite is a rich n1aceral in Teriary humic coal, boghead-cannel coal and oil shale fromHuangxian Coalfield.黃縣煤田第三紀(jì)腐殖煤、藻燭煤、油頁(yè)巖顯微組分富含樹(shù)脂體。 返回 boghead shale