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我们在加工如图1的球形手柄时,改进了一套如图2的工具,简化了工序,提高了质量和产量。过去加工这样的球形手柄,是先
When we were processing the spherical handle shown in Figure 1, we improved a set of tools like the one in Figure 2 to simplify the process and improve quality and yield. In the past processing such a spherical handle, is the first