4 bridges shall be deck type , through type or hybrid type ( with or without bracing ) . for through or hybrid type with top bracing , the minimum vertical clearance shall be 4880 mm ( 16 ’ - 0 ” ) 钢架桥为层式设计，直通式或复合层（可带或不带支柱） 。直通式或复合式要带顶部支柱，水平空间最小为4880毫米（ 16英尺） 。
A mathematical model for the particles layering growth is developed based on the mechanism of layering growth and law of conservation of mass . a formula for calculating the particle diameter was also deduced 依据颗粒层式成长机理，根据物质守恒原理建立了颗粒层式生长的数学模型，提出了粒径长大的计算式。
Based on the research of advanced aircraft electrical system ' s architecture and function , the electrical system employs controller area network ( can ) bus to construct a distributed control system ( dcs ) 本论文在深入研究先进飞机电气系统结构及其功能后，确定采用高可靠性的can总线组成分层式总线结构的集散式控制系统。
Based on the analysis of the structure and technological requirements for the lcd shell , the structure of the stack injection mould for the lcd shell and the method for the design of the mould are introduced 摘要分析了液晶显示器外壳前面板框和后盖的结构特点及工艺要求，介绍了该叠层式注射模具的结构、工作过程以及结构设计要点。
Rhodia engineering plastics has developed solutions which use two to five layers , using a copolymer technology which is resistant to zinc and calcium chlorides and simultaneously offers high performance and attractive pricing 罗地亚工程塑料已经开始了两层式至五层式的解决方案，使用耐锌和氯化钙的共聚技术同时提供卓越的性能及合理的价格。
Many researches have been done to investigate the failure mechanisms for csp assembly . but most of them were mainly concerned about single chip package . in this thesis , thermal and vibration reliability for stacked - die csp assembly were discussed 目前行业内针对csp封装可靠性做了许多研究,但大多是以单个芯片封装为研究对象,而对三维叠层式csp / bga封装的可靠性研究的并不多。
In the first part , according to the small - scale manufacturing enterprises distributed in communities , a two - level development model for informalization of this industry is established . the model is named two level community - cooperative development model 本文的工作分为两个部分：第一部分，根据小型制造业具有群落分布的特点，本文提出了两层式的小型制造业信息化群落合作发展模式。
The living and dining rooms cover over 700 sq ft on separate levels , while the extraordinary 14 - ft ceiling and large windows on both sides provide a feeling of even more space and incorporate it with the natural surroundings outside 客饭厅面积逾700平方尺，采用分层式设计，令布局分明有序，别具一格。客厅逾14尺特高楼底和两边的特大窗户，令室内空间倍增，将户外的大自然气息带进室内。
3 . according to the experimental results and the method to design road surface by using cement concrete , design theory , design method and design procedure fitting for single - skin and compound fiber - reinforced concrete road are brought forward . 4 根据试验结论，并依据水泥混凝土路面设计方法，得出了适合于单层式钢纤维混凝土和复合式钢纤维混凝土路面的设计理论、设计方法和步骤。
The increase in regulatory requirements covering hydrocarbon emissions euro 2000 in europe , carb in the usa , etc . is the basis for current technological developments in the area of fuel pipes , particularly the application of multi - layer solutions using barrier polymers 增加对烃排放的规范化要求欧洲euro2000 ，美国carb ，等，是目前油管领域技术发展的基础，特别是使用聚合物障碍物的多层式解决方案。
