although has many differences
尽管有很多不同之处
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Although the process of nc machine tools has many things in common with that of traditional machine tools, there exist many differences between them.
数控机床的加工工艺与普通机床的加工工艺虽有诸多相同之处，但也有许多不同之处。
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