The crevice corrosion behavior of X70 steel was studied in the Ku'erle simulated solution of various HCO3- concentrations by using a wedge-shaped crevice model.
在含有不同浓度HCO3-的库尔勒模拟溶液中对X70钢楔形缝隙模拟构型进行缝隙腐蚀实验。
Periodic weighting was analysed by the bearing wedge model, simultaneity, the mechanics of first weighting and periodic weighting were expounded.
利用承压砌块模型分析了周期来压过程，并给出了初次来压和周期来压机理。
Based on the finite element analysis (FEA) model of steel tube scaffold couplers, the corresponding connection of scaffold couplers and pre-load of slide wedge have been discussed.
在建立新型钢管脚手架扣件的有限元分析模型的基础上，对扣件各部件之间的连接以及斜楔的预紧力问题进行了处理。
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