千斤顶是输送机械中最重要的一种。Jack is one of the most important conveying machinery.
千斤顶是输送机械中最重要的一种。Jack is one of the most important conveying machinery.
A.正确
B.错误
正确答案:错误
- 上一篇:起重机械是指采用吊钩等起重工具,在间歇、重复的工作方式下,吊起、降低、举起、运输货物的机械设备。Hoisting machinery refers to the mechanical equipment that lifts, lowers or lifts and transports goods by lifting hooks or other lifting appliances in the intermittent and repeated working mode.
- 下一篇:高架输送机广泛应用于配送中心。overhead conveyor is widely used in distribution center.