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为了改变模具生产落后的状况,哈尔滨市模具协会最近举办了锌合金冲压模具新技术学习班。全市二十六个工厂企业从事工模具设计、制造的工程技术人员和工
In order to change the backward production of mold, Harbin Mold Association recently held a new class of zinc alloy stamping die technology classes. Twenty-six factories and enterprises in the city engaged in mold design and manufacture of engineering and technical personnel and workers