过去在涂刷沥青冷底子或石灰浆时,都是站在跳板上用毛刷子涂刷,工作效率很低,每班每人只能涂100～200平方米。七冶去年利用市上出售的手摇式农药喷雾器,三人操作(二个人轮换压摇把,一人操纵喷嘴),每班每人可喷涂500平方米左右。在比较低的墙面上,还可以节约脚手架。七冶三公司三队同志们,今年在一个展览会上见 In the past when brushing asphalt cold base or lime slurry, they were standing on the springboard and brushed with a brush. The working efficiency was very low. Each class could only apply 100 to 200 square meters. Seven Smelters used the hand-pesticide sprayer sold in the city last year, three people (two people rotating pressure cranks, one manipulating nozzles), and each class can spray about 500 square meters. On a lower wall, you can also save on scaffolding. Three comrades of the Seven Metallurgical Company’s three companies met at an exhibition this year