常見例句雙語例句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、油頁巖顯微組分富含樹脂體。 返回 boghead shale