The reason for the poor reliability and the more faults in the past has a bearing on the design level of assembly line and technologicallayout.
整机的可靠性差、早期故障偏高，与装配线及其工艺布局的设计水平有较大的关系。
2
However, nowadays, the technological teaching of Back and Layout in our country's physical education institutes, we ignored the core technologies such as fast approach run and fast jump.
然而，目前我国体育院校的背越式跳高技术教学中却忽视了快速助跑与快速起跳这一最核心的技术。
3
From technological design, equipment shaping, equipment layout to installment, equipment debugging.