But the quality of the rock wool quality can vary widely, heat preservation function good density low, the tensile strength is also low, durability is poorer.
但岩棉的质量优劣相差很大，保温机能好的密度低，其抗拉强度也低，耐久性比较差。
Conclusions PCEA is a good method of easing pain after thoracic surgery. It can improve respiratory function and life quality, for postoperative patients.
结论pcea是开胸术后理想的镇痛方法，它可以改善肺功能和提高术后康复质量。
Mature structure, high quality foam bonded with micro-fibre of highly abrasion resistance function, good public praise, suitable for senior or junior riders.
成熟款型结构，高品质泡棉贴合超细纤维功能高抗磨面料，拥有良好口碑，适合中高级车友。
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