Production planning was seen as an essential element in improving efficiency. Why might that be the case?

生产计划的编制被认为是提高效率的关键因素，为什么？

youdao

Production planning was seen as an essential element in improving efficiency. Why might that be the case?

生产计划的编制被认为是提高效率的关键因素，为什么？

youdao