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独立部件
individual components
- 所设计的平衡头是一个独立部件，采用滚动式小车配重和红外线遥控工作方式。
The designed balancing head is an independent component, in which rolling cars are used as balancing weights, controlled remotely by infrared ray. - 当将部件组装为汽车后，新的实体（汽车）由多个独立部件组成这一事实将不再重要，直到某个部件出现错误而需要替换才会引起注意。
When the parts have been assembled into a car, the fact that the new entity -- the car -- is made up of separate parts ceases to be important until one of the parts is faulty and needs replacement. - 随钻震击器由ZSJ型随钻上击器和ZXJ型随钻下击器两个独立部件组成，可单独作用、也可联合使用。
The drilling jar is consisting of ZSJ type drilling up jar and ZXJ type drilling down jar, both they can be used mutually or operated separately .
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