Great care and skill are required in machining long thin cylindrical work if it is not to be out of round.
加工细长的圆柱体部件，必须技术高明，操作细心，否则产品就会不够圆。
If a tube is out-of-round or outside of the tolerance range, it is identified as faulty and is not filled.
如果某管筒不是圆形或者处于误差范围之外，会将其识别为缺陷，并且不予填装。
If a tube is out-of-round or outside of the tolerance range, it is identified as faulty and is not filled.
如果某管筒不是圆形或者处于误差范围之外，会将其识别为缺陷，并且不予填装。
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