Machine tool retrofit is an economic, effective and quick way.
说明了机床数控化改造是既经济又见效快的途径。
Machine tool CNC retrofit is an economic and effective path.
在教学实践中机床数控化改造是既经济又见效快的途径。
Therefore, the bulging machine tool has great economic and social values.
其具有较大的经济价值和社会价值。
Therefore, the bulging machine tool has great economic and social values.
其具有较大的经济价值和社会价值。
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