In of displacement induces shear stress. Shear deformation this paper, flow law of material is theoretically analysed based on deformation of the flange deformed area in box drawing.
针对盒形件拉深成形时法兰变形区的变形进行了材料塑性流动的理论分析，提出了位移速度差诱发剪应力的观点。
In short valve box should be selected at the different rings to choose. 2, attention should be paid at the time of installation in the valve box at the flange import filters have been installed,.
总之选取点阀箱应按戒指的不同来选用。2、在安装时要注意点阀箱进口法兰内的过滤芯是否已安装在内。
The cases of transverse cracking in the flange slabs of reinforced concrete continuous box girders of five urban flyovers or viaducts are introduced.
介绍了五座城市立交桥或高架桥的钢筋混凝土连续箱梁翼板横向开裂的情况。
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