论文部分内容阅读
打扫卫生,人们普遍感到擦窗玻璃既麻烦又劳累,且难以擦净,如果擦高层楼房窗玻璃外侧面,还十分危险。对此,国内外有许多人动了不少脑筋,曾先后发明过多种擦拭器具,试图解决擦玻璃这一难题。但不是结构复杂、价格昂贵,就是操作不便、效果不太理想,因而,未能广泛推广使用。由航空航天部208所研制成功的HT Y—I型双面擦玻璃器,不久前在北京通过技术鉴定。该擦玻
For cleaning, people generally feel that the window glass is both troublesome and tiring, and it is difficult to clean. If you wipe the outside of the window glass of a high-rise building, it is still very dangerous. In response to this, many people at home and abroad have moved a lot of brains and have invented a variety of wiping appliances in an attempt to solve the problem of wiping glass. However, it is not a complex structure and is expensive, that is, it is inconvenient in operation and the effect is not ideal. Therefore, it has not been widely used. The HT Y-I type double-sided glass cleaner successfully developed by the Ministry of Aerospace 208 has recently passed technical appraisal in Beijing. The glass