短语词组短语crude polypropylene fiber 粗聚丙烯纤维crude bamboo fiber 天然竹纤维Crude e fiber 粗纤维crude crudus fiber 粗纤维dietary crude fiber 日粮粗纤维content of crude fiber 粗纤维含量test for crude fiber 粗纤维的测定crude fiber contents 粗纤维含量 返回 crude fiber