组合机床具有许多长处：效率高、精度高、成本低。
Combination of machine tool has many advantages: high efficiency high accuracy and low cost.
这将会占用大量的机床实际加工时间，降低机床的效率。
Therefore much time of real machining is consumed, the efficiency of machine tool is reduced.
本机床原理正确，使用方便，加工效率高，精度有保证。
The elements of machine tool is right and the use of it is convenient.
本机床原理正确，使用方便，加工效率高，精度有保证。
The elements of machine tool is right and the use of it is convenient.
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