The economy of the times made it difficult to support centralized rule.当时的经济状况不利于实行集权统治。The requirements of cooperative and centralized systems make the acceptance of standards of vital importance.对合作化和集中化系统的要求使接受标准化变得非常...
Ispecializes in high -, medium - and low - grade single - sided matching welcome Corrugating Machine.我公司专业生产高 、 中、 低档 单面瓦楞机欢迎选配.Third, the innovation of high - strength Corrugating composite panel.三是创新了高强度瓦楞复合板.Currently...
Condense force, unite a thought, await the advent of aiguille hour.凝聚力量, 统一思想, 等待尖峰时刻的来临.Quills were the chief writing implement from the 6th century AD until the advent of steel pens in the mid 19th century.从公元6世纪到19世纪中...