伽俐略对落体的研究提供了终极答案.Galileo's work on falling bodies supplied the final clue.最普通的加速度就是自由落体的加速度.The most common acceleration that of freely falling bodies.但是信用仍旧缺失, 经济依然在自由落体.Yet credit remains scarce, and the economy i...
To arrange a collection of items in a chained list or catena.在链表或串中安排一组项目.Cart moving and goods lifting are both driven by manual catena.本产品主要用于电源或工作不繁忙的厂矿、头、站、库及车间在固定跨间作装卸,吊运重物及检修设备等.The catena manufacture of YusanLi he...