pre-production planning

• 投产前的规划

pre-production planning的用法和样例：

例句

1. The refrigerator is considerably modified before it goes into production.
   这冰箱在投产前做了相当大的改装。
2. There are still a few kinks to be worked out of the plan before we start production.
   在投产前，计划还有些缺陷需要解决。