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- A teasaponin is extracted from the tea seed,and then a well-behaved washing assistant is prepared by the teasaponin blended with sodium perborate. 通过从茶籽饼粕中提取茶皂素,并将其与过硼酸钠进行复配进而制取性能良好的洗涤助剂。
- Introduces the producing,characteristics and development process of the coal main washing technique of our country and coal washing assistant technique,discusses the devel... 介绍了我国煤炭主要洗选工艺、洗选辅助工艺的产生、特点及发展过程,探讨了未来洗选工艺的发展方向。
- Abstract： Detergency promoter acrylate - acrylamide copolymer was synthesised using solution polymerization and its washing assisting properties were tested. 摘 要： 采用溶液聚合法合成丙烯酸-丙烯 胺共聚物助洗剂，并对其助洗性能进行测定。
- An assistant demonstrated the washing machine (to customers). 店员(向顾客)示范如何使用洗衣机。
- Washing machines take the drudgery out of laundry. 洗衣机把洗衣工作带出了洗衣房。
- The president will accredit you as his assistant. 董事长将任命你做他的助理。
- She did her washing in one of the outhouses. 她在户外的一间小屋里洗衣服。
- She helped her mother do the washing. 她帮她妈妈做清洗的工作。
- He assist me with my income tax return. 他帮助我填写所得税申报单。
- She scraped along by taking in washing. 她在家替人洗衣服，以此勉强糊口度日。
- Washing dishes is his pet aversion. 他最讨厌洗碗。
- My assistant will stand in for me while I'm away. 我不在的时候我的助手将代表我处理事务。
- What about washing the car on Sunday? 礼拜天洗车怎么样？
- I am afraid you must wash out this stain. 恐怕你必须洗掉这个污渍。
- Jack used to assist Mary in her lessons. 杰克过去常常帮助玛丽学习功课。
- I had to wash and dress in a hurry. 我得匆匆洗个澡穿好衣服。
- Assistant: Do you like this dress, madam? 营业员：夫人，您喜欢这件连衣裙吗？
- I will be with you just as soon as I wash up. 等我洗洗脸，洗洗手，就来陪你。
- She is assistant to the professor. 她是这位教授的助手。
- His dress is made of a wash and wear fabric. 他的衣服是用洗后不用烫的纤维衣料做的。
