bleached roughage的用法和樣例：
例句
- In this paper an investigation is made on the roughage resources and hebivorous livestock distribution in Hebei province.
對河北省粗飼料資源和草食家畜的分佈進行了調查研究。 - Through the investigation and study on production and supply capability of roughage in Daqing city, main effect factors of supply and utilization of roughage were determined.
摘要通過調查和研究，分析了大慶市粗飼料的生產和供應能力，確定了影響大慶市粗飼料供應與利用的主要影響因素。
