基本解釋[能源科學(xué)技術(shù)]硬煤刨煤機(jī)英漢例句雙語(yǔ)例句They textbook contains more explanatory material than models and is therefore hard to plough through.這本教科書(shū)中說(shuō)說(shuō)明性材料多于 范文，所以難以閱讀。hard plough更多例句詞組短語(yǔ)短語(yǔ)hard -coal plough [礦業(yè)]硬煤層刨煤機(jī)hard plough更多詞組專業(yè)釋義能源科學(xué)技術(shù)硬煤刨煤機(jī)