1) subcutaneous permanent tunnel to bile duct
皮下永久性胆管通路
1.
Estabolishment of subcutaneous permanent tunnel to bile duct and its role on the treatment of patients with hepatolithiasis
肝胆管结石病人皮下永久性胆管通路建立及其应用价值分析
2) permanent vascular access
永久血管通路
3) permanent vascular access (PVA)
永久血管通路(PVA)
4) PVP Permanent Virtual Path
永久虚通路
5) permanent notice
永久性通告
6) perpetual pavement
永久性路面
1.
Through analysis design idea,characteristics of structure,function of pavement layers and nature of materials of semi-rigid pavement and perpetual pavement and combining with Chinese reality,the application conditions for perpetual pavement and semi-rigid pavement are put forward.
通过分析半刚性基层路面和永久性路面的设计理念、结构特点、结构层功能和材料性质,并考虑中国国情,可总结出半刚性基层路面和永久性路面两种路面结构型式的适用条件:半刚性基层路面较适合少雨地区,季节、昼夜温差变化较小地区,以及小交通量、以客运为主的轻载道路;永久性路面对大交通量、以货运为主的重载交通以及多雨地区具有较好的适用性。
2.
The concept of perpetual pavement which was developed by the American Asphalt Pavement Alliance(APA) was referred to, and the design concept of expressway in our country was discussed.
借鉴美国沥青路面联合会(APA)近年来提出的永久性路面的概念,探讨了我国高速公路的设计理念,以期更新我国沥青路面设计观念,控制路面结构的早期破坏,降低筑路成本。
补充资料：毛细血管后阻力血管
毛细血管后阻力血管
postcapillary resistance vessel
指微静脉和小静脉，对血流的阻力比微动脉小，但管壁平滑肌收缩仍可增加其血流阻力。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条