大多数金属和塑料是为了生产而设计的，这就意味着它们会很重，并且含有与生产有关，但与其功能无关的剩余物。
Most metal and plastic parts are designed to be manufactured, which means they can be clunky and contain material surplus to the part's function but necessary for making it.
方法根据气道复合狭窄的特殊解剖结构与病变特点，设计气道倒y型一体化自膨胀式金属内支架。
Methods On the standpoint of the peculiar anatomic structure and the pathological changes of complex airway stenosis, we designed the inverted Y-shaped self - expandable metal stent.
换热器抽芯机主体金属结构是换热器抽芯机最重要组成部分，也是换热器抽芯机设计与制造的关键。
The metal structure is important part and key of designing and producing the heat exchanger's extracting core machines.
应用推荐