These alternative methods are often combined with another tool and used as an approach.
这些治疗方式通常需要结合其他的方法一起使用。
The combined machine tool has a simple structure, easy to adjust and maintain.
采用组合机床，结构简单，调整、维护方便，主轴弹性卡头便于工件装卸。
The combined machine tool has a simple structure, easy to adjust and maintain.
采用组合机床，结构简单，调整、维护方便，主轴弹性卡头便于工件装卸。
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