为了刮掉粘在车窗上的泥点,使玻璃保持清洁,美国一家公司最近生产了一种新型的刮水器。这种刮水器里有小刷子(刮条)和冲洗剂的供给装置。特别是刮水器小的刮条是用叫做“开米它”的特殊塑料材料。这种塑料强度高、耐腐蚀,这些特性对刮水器是很重要的。另外,这个刮水器有两个完全相同的塑料件,每个塑料件上分别安装三个翼型叶片,其作用是使刮水 In order to scrape away the dirt sticking to the window to keep the glass clean, a U.S. company recently produced a new type of wiper. This wiper has a small brush (bar) and rinse agent supply. In particular, a small wiper wiper is called “Kai Mi it” special plastic material. The high strength and corrosion resistance of these plastics are important for wipers. In addition, the wiper has two identical plastic parts, each of which is fitted with three airfoil blades, the role of which is to wipe