探讨了一种三支承导轨跨距的优化计算方法.The span of the three - brace guiding rail is optionally calculated.各自的跨距拥有十二个手指宽度.Each span has twelve finger - breadths.并研究了三种失稳与砌体梁的跨距 、 高度及其承受载荷的关系.Their relationships between instability of stack...
Swimming was one of her greatest satisfactions.游泳是她最大的乐趣之一.I would have given up all those intangibles, those inner satisfactions that money can never buy.我可能放弃了一切无形的东西, 放弃了精神上的种种需求,那是金钱永远买不来的.But with all these difficul...
The truck left the loading dock with hoses still attached.卡车驶离装货月台时塑料水龙带还连在上面。He threatens to dock her fee.他威胁要扣掉她的服务费。To dock points would be wrong.扣分的判罚是错误的。...