The integrated analysis of crack failure for L-B Composite Brake Beam Bar Flange Slab was made by means of SEM, microscope and chemical analysis.
采用残余应力和力学性能测定、化学成分分析、断口扫描及金相检验等方法对铁路货车用l - B型组合式制动梁撑杆翼板产生裂纹的原因进行了分析。
Using B/S mode, a network-based design platform for the vehicle brake system is constructed based on product data management(PDM) system.
采用B/S模式在产品数据管理（PDM）系统之上构建基于网络的汽车制动系统设计平台。
Using B/S mode, a network-based design platform for the vehicle brake system is constructed based on product data management(PDM) system.
采用B/S模式在产品数据管理（PDM）系统之上构建基于网络的汽车制动系统设计平台。
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