前些日子,几个朋友帮我家封阳台。阳台封好后,朋友把剩下来的余料都拿走了。我不解地问:“你要这些碎料干吗?”朋友说:“拼拼凑凑还可以做个放空调的座架”。朋友的这句话,突然打开我的思绪。此时我联想到,在我岗位的操作现场,离子交换器上有几根铁支架已经锈蚀。有些已摇摇晃晃的了。而离子交换器 A few days ago, a few friends to help me seal the balcony. After the balcony is sealed, my friends take away the rest of the material. I puzzled to ask: “Do you want these scrap dry? ” Friends said: “patchwork can also be a seat on the air conditioning ”. Friends of this sentence, suddenly opened my mind. At this point I am reminded that there are several iron stents on the ion exchanger that have been corroded at the operation site of my post. Some are staggering Ion exchangers