酯固化水玻璃自硬砂

酯固化水玻璃自硬砂酯固化水玻璃自硬砂
  1. 在铸钢件生产中推广酯固化水玻璃自硬砂的可行性

    The Feasibility of Generalizing Ester Cured Sodium Silicate Sand in Producing Cast Steel