我库附设的玻璃车间,担负着本市建筑施工所需大部玻璃的割配磨砂任务。近年来,随着首都高层建筑、外事用房的增多,中小学改用玻璃黑板,磨砂任务大量增加。过去磨砂采用的是干磨机械,效率低,质量差,特别是机器一开动,不仅车间里金钢砂尘弥漫,连车间四周几十米以内的房顶屋瓦上也 Our library attached to the glass workshop, responsible for the construction of the city most of the required glass cutting with Matte task. In recent years, with the increase of high-rise buildings and foreign-related buildings in the capital, the use of glass blackboards for primary and secondary schools has increased the number of matte tasks. The past is the use of dry grinding machine grinding, low efficiency, poor quality, especially the start of a machine, not only the workshop filled with sand dust, dozens of meters around the workshop roof tile also