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十几年来,我厂先后研制了30多种精铸叶片,曾炼制过6种高温铸造合金,对如何控制母合金的质量进行了一些工作,现介绍如下。
More than a decade, I plant has developed more than 30 kinds of casting blades, had refined six kinds of high-temperature casting alloy, how to control the quality of the mother alloy for some work, are presented below.