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目前铸钢车间相当广泛地使用水玻璃砂制做铸型和芯子。现就水玻璃砂使用中存在的一些问题及生产中没有引起大家注意的问题,请甘肃高中压阀门厂铸造车间乐精华同志谈谈看法。
At present, the steelmaking plant uses quite extensively sodium silicate sand to make molds and cores. Now on the use of sodium silicate in the use of some of the problems and production did not cause everyone to pay attention to the problem, please Gansu high school pressure valve factory foundry Le Conservancy talk about the view.