()我们已研制出了能大规模提高生产的方法。
A. We’ve worked out a method by which our production can be raised on a large scale.
B. We’ve found out a method by which our production can be raised largely.
C. We’ve
A. We’ve worked out a method by which our production can be raised on a large scale.
B. We’ve found out a method by which our production can be raised largely.
C. We’ve