Company main: rivet, screw, nut, stud, spring screws, various case fasteners.
公司主营：铆钉、螺柱、螺丝、螺母、弹簧螺丝、各种机箱紧固件等。
According to amplitude analysis of the measurement signal, the probability DE sign method of finding the spring stiffness of the tractor's hydraulic draft control system is stud ied.
以实测信号为依据，通过幅值域分析，探讨了拖拉机液压系统力调节弹簧刚度的概率设计方法。
The Japanese quince is invaluable for early spring color when its bright orange-flame flowers stud the bare thorny stems for weeks.
当日本花木瓜（贴梗 海棠）明亮的橙色火焰般的花朵点缀在带刺的枝头数周的时候，简直可以说它是早春无价的瑰宝。
The Japanese quince is invaluable for early spring color when its bright orange-flame flowers stud the bare thorny stems for weeks.
当日本花木瓜（贴梗 海棠）明亮的橙色火焰般的花朵点缀在带刺的枝头数周的时候，简直可以说它是早春无价的瑰宝。
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