A rigid machine frame combined with reinforced bearing bolts and low-maintenance toggle jacks stands for high precision, low-maintenance requirements and a long service life.
机器框架刚性好，增强的轴承螺座和低维护机铰连杆是高精密、低维护和长使用寿命的代表。
Light wood truss is a common structural member in light wood frame constructions, whose bearing capacity has a close relation with the safety performance of the whole structure.
轻型木桁架是轻型木结构中用得很多的结构件，其承载能力关系着整个结构的安全性能。
A deep beam model with spring bearing is given, based on the analysis of middle frame of frame and shear wall structure ground floor, which is sensitivity to floor rigidity.
本文从对楼板刚性反应最敏感的构件(即框剪结构的底层中间框架)按刚、弹性计算的剪力误差值的分析入手，建立了一个由弹簧支承的水平深梁的模型。
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