自从我任生产经理以来，把生产成本降低了20%。

Since I served as the production manager, I reduced the production cost by 20 percent. , 20%

youdao

自从我任生产经理以来，把生产成本降低了20%。

Since I served as the production manager, I reduced the production cost by 20 percent. , 20%

youdao