基本解釋[經(jīng)濟學]頁巖油母英漢例句雙語例句Nearly 80% of the oil-shale kerogen can be extracted as a toluene soluble bitumen with average molecular weight about 800.可從油頁巖中得到對有機質(zhì)約80％的瀝青抽出物（平均分子量約800）。oil-shale kerogen更多例句專業(yè)釋義經(jīng)濟學頁巖油母