two-fan cleaning

1: My uncle's got two joys in life: faith in God and working all day in his dry cleaning shop for his children's future.

他说：他伯父的生活乐趣只有两个：对上帝的信仰以及为子女的前途整天在他的干洗店里操劳。

For over two decades she had been the cleaning lady in a big house.

她在一个大房子里面做了二十多年的清洁女工.

To carry out the on-line cleaning in industry, a kind of cleaning equipment is devised according to the principle of the Two Way Flow ( TWF) technology, and two cleaning schemes is constituted.

根据双向流技术（TWF）的原理，设计了清洗中试的装置和两种在线清洗方案。

At last, the online cleaning was carried out using the Two Way Flow ( TWF) technology.

最后进行了双向流工艺的在线中试研究。

Two Energy Saving Measures of Cleaning Air Conditioning Process

论洁净空调空气处理过程中的两种节能措施