本文介绍了一种专利技术及其工业化试验装置。
This paper describes a patent technology and its full scale test equipment.
现这些产品均已完成实验室试验和工业化试验，并已全面投放市场。
Currently, such products have completed lab tests and industrial tests and have been fully launched to the market.
工业化试验表明：当喷丝头负拉伸率为- 73%时，纤维可纺性达到最佳状态。
The practical experiments showed that fiber spinnability was optimized when spinneret negative draw ratio was - 73 %.
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