棉纤维燃烧后炭化,而涤纶燃烧时熔融滴落,由于棉纤维成为支持体,可使熔融纤维聚集,并阻止其滴落,使熔融纤维燃烧更加剧烈,即所谓"支架效应"。
使用特殊支架，最大限度地减少了阀门体与油动机之间的热传导效应，使油动机受热面积大大减少。
Use special support frame and reduce the heat conduction effects between valve and actuator in maximum. Greatly lower actuator's heating surface.
分流道狭窄与分流道血栓形成、支架末端刺激以及异常血流效应有关。
The etiology of shunt tract stenosis be related to thrombosis and abnormal hemodynamic factors.
应用推荐