探討了一種三支承導(dǎo)軌跨距的優(yōu)化計(jì)算方法.The span of the three - brace guiding rail is optionally calculated.各自的跨距擁有十二個(gè)手指寬度.Each span has twelve finger - breadths.并研究了三種失穩(wěn)與砌體梁的跨距 、 高度及其承受載荷的關(guān)系.Their relationships between instability of stack...