The bottom structure is supported by every longitudinal beam in orientation calculation, and then the orientation force and elasticity supporting force is obtained.
计算时，底部弹性支承在各纵梁上，可求得结构的横向受力与弹性支承反力。
The bottom structure is supported by every longitudinal beam in orientation calculation, and then the orientation force and elasticity supporting force is obtained.
计算时，底部弹性支承在各纵梁上，可求得结构的横向受力与弹性支承反力。
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