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- Also a reasonable surfactant cleaning period or regeneration interval of the contaminated walnut filtrating medium was suggested in the range of 5 to 10 days, and water backwashing cycle... 废弃的污染核桃壳滤料;经适当的药剂清洗再生;其过滤性能基本能够得以恢复;使用寿命将大大延长.
- In the Line Cleaned Periodically? 定时清洗内衬?
- Clean clothes and good manners are prepossessing. 清洁的衣服和良好的举止能给人以好感。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Let's clean down the board before we paint it. 让我们在上漆以前把这块板洗干净。
- The dentist was cleaning and taking out teeth. 牙科医生正在清洁和拔牙。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- It's important for the college freshman to keep his nose clean. 对大学新生而言洁身自好是很重要的。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- Why is it that I always land up cleaning the bath? 为什麽总是该我来洗刷浴缸?
- He was busily employed in cleaning his shoes. 他忙著擦鞋。
- She is cleaning up the kitchen now. 她现在正在打扫厨房。
- She was cleaning the bedroom when he called her. 他给她打电话时她正在打扫卧房。
- He had to decide within a given period. 他得在一定时间内作出决定。
- She is busy cleaning the fowls in the kitchen. 她正在厨房忙著清除家禽的内脏。
- She has a detailed knowledge of this period. 她对这段时期的情况了解地相当详细。
- We'll give the house a thorough cleaning. 我们要把房子彻底打扫一番。
- In that period auto sales hit a14-year low. 这时期汽车销售量达到14年来最低水平。
- Cleaning exposed the grain of wood. 清洁使木纹显现可见。
