The paper studied some structure drawbacks in classification screen vibrator,mesh,girder angle steel and did technology innovation. Social and economical benefits are achieved.
分级筛激振器、筛网、大梁角钢的结构中,影响选煤生产正常运行的某些弊端,进行了技术改造,取得了很好的社会效益和经济效益。
参考来源 - 振动分级筛在西铭矿选煤厂的应用及技术改造·2,447,543篇论文数据，部分数据来源于NoteExpress
The suspension coop is welded by the Angle steel and channel steel.
吊笼由角钢和槽钢焊接而成。
Roll pass on Angle steel rolling, I-beam rolling and U-section, etc. were intensively studied.
他对角钢孔型轧制的，工字钢轧制和U -型钢轧制等剧做过深入研究。
Make the inserting block stretch out to the Angle steel of guiding track framework, and can draw back reliably.
使插块灵活可靠地伸出到导轨架标准节角钢上，并能可靠缩回。
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