工程局物资供应主渠道作用探讨铁道部电化局北京材料厂杨重华在市场经济和当前铁路建设任务不足的情况下，工程局的物资工作普遍存在着忽视计划管理、物资供应盲目性加大、各工程处或项目部都抓物资采购、物资供应渠道混乱、供应体制落后、应变能力差等共性问题。如何在当... Discussion on the role of the main channel for the supply of materials for the Bureau of Engineering Research on the materialization of Beijing Materials Factory of the Ministry of Railways Yang Zhonghua Under the circumstances of the market economy and the current lack of tasks in railway construction, the material work of the Bureau of Engineering has generally neglected the management of plans, increased blindness in material supply, and various projects. Departments or project departments all have common problems such as material procurement, chaotic supply channels, backward supply systems, and poor resilience. How to be when...