This is why you will frequently find that our instruments, especially craniotomes, are packed in QP tubes, in addition o an outer tubular bag which guarantees clear legibility of the label.
这就是我们的产品(尤其是开颅器)为什么除了外包装外，常常还有QP管包装的原因，这样也可以保证标签清晰易辨。
Relevant operation practice has proven that with the optimalized sizing process parameters, steel tubes sized by the said mill possess decreased ovality and higher O. D. accuracy.
生产实践表明，采用优化后的定径工艺参数，钢管的椭圆度减小，外径精度提高。
Relevant operation practice has proven that with the optimalized sizing process parameters, steel tubes sized by the said mill possess decreased ovality and higher O. D. accuracy.
生产实践表明，采用优化后的定径工艺参数，钢管的椭圆度减小，外径精度提高。
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