拓宽线级规划。指定所有单独的生产过程，以及时间和持续时间，以制定跟踪整个过程和可能发生的任何偏差的工作计划。 Broadening the line-level plan. Specify all the individual production processes, along with the timing and the duration to come up with a working schedule that tracks the whole process and any deviations that might occur.