We 've worked out a method by which our production can be raised on a large scale.

（ by amethod通过某种方法）我们已研制出了一个能大规模提高生产的方法。

youdao

We 've worked out a method by which our production can be raised on a large scale.

（ by amethod通过某种方法）我们已研制出了一个能大规模提高生产的方法。

youdao