产品特性：具有弹性好，回缩性好，柔软舒适，环保等特点。
Description: This material has the characteristic of good elasticity, nervinesselastic, and it is soft and comfortable, environmental protection.
结论肺减容术是治疗慢性阻塞性肺气肿的有效方法，它除可能通过恢复肺的弹性回缩外还能通过恢复肺气肿膈肌生物力学特性而改善肺功能。
Conclusion LVRS, an effective method to treat pulmonary emphysema, can improve the lung function by recovering both pulmonary elastic recoil and the mechanical characteristics of the diaphragm.
配备安全性能例如护罩或回缩式针头，或许有助于预防这些针刺意外，因此评估这些功能的有效性非常重要。
Safety features such as shields or retractable needles can possibly contribute to the prevention of these injuries and it is important to evaluate their effectiveness.
配备安全性能例如护罩或回缩式针头，或许有助于预防这些针刺意外，因此评估这些功能的有效性非常重要。
Safety features such as shields or retractable needles can possibly contribute to the prevention of these injuries and it is important to evaluate their effectiveness.
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