通过正交试验，找到二灰碎石各种材料的用量比例，主要是二灰内比、碎石比例和级配、水泥掺量等与结构强度、横缝出现情况的关系。
The mixture ratios mainly including the proportion of Lime and Fly-ash, aggregate and grading collocation and the cement parameter are found out through orthogonal experiment.
叙述了石横电厂1号机末级叶片的断裂情况以及对该问题的处理情况，分析了叶片的断裂、损伤原因。
The paper relates the crack situation of the last stage turbine blades of Shiheng power plant No. 1 unit and the dealing of this problem, analyses the reason of crack and damage of the blades.
石横特钢厂采用以整流二级管为主体的整流桥代替直流励磁发电机改造国产龙门刨床。
To reform planing machine made in home, using rectifier bridge, which is mainly consisted of rectifier diode, to replace of directcurrent exciter in Shiheng special steel works.
应用推荐