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These devices "nc and maintenance" of professional practice play an important role in teaching, good effect.
这些设备在“数控加工与维修”专业的实践教学中发挥重要作用，效果很好。
youdao
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These devices "nc and maintenance" of professional practice play an important role in teaching, good effect.
这些设备在“数控加工与维修”专业的实践教学中发挥重要作用，效果很好。
youdao