短語(yǔ)詞組短語(yǔ)extraction of plant 葯用植物提取物extraction of plant material 中葯提取extraction butadiene plant 抽提丁二烯裝置nitrogen free extraction in plant 植物無(wú)氮浸出物oil -extraction plant 提油廠;鍊油廠steam extraction plant 蒸汽抽提裝置butadiene extraction plant 丁二烯抽提裝置bitumen extraction plant operator 瀝青抽提工廠操作員Dagushan Mineral Extraction Plant 大孤山選鑛廠 返回 extraction plant