This paper theoretically analyzes the critical force in metal hoisting boom structure of lattice type and variable section.
本文对格构式变截面吊臂金属结构的临界力计算作了理论分析。
A new returnable actuator disk of metal seal structure butterfly valve was presented, and its principle, force analysis, characteristic of the actuator were discussed as well.
提出了一种双向压金属硬密封蝶阀蝶板可逆回转机构，讨论了可逆回转机构的工作原理、受力分析及特点。
The function effects of electromagnetic force acted on the structure of solidified metal and the surface modality of metal casting are remarkably distinct under different input conditions.
通过实验观察，电磁力对金属凝固组织及对金属铸锭表面形态所产生的影响，在不同的作用条件下其效果具有明显差别。
The function effects of electromagnetic force acted on the structure of solidified metal and the surface modality of metal casting are remarkably distinct under different input conditions.
通过实验观察，电磁力对金属凝固组织及对金属铸锭表面形态所产生的影响，在不同的作用条件下其效果具有明显差别。
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