下列哪个选项能够替换句子中的划线部分?In this work, our objective was to improve the carbon fiber performance significantly by utilizing very high molecular weight polymer so that high quality precursors can be produced.
选项:
A:producing high quality precursors
B:to produce high quality precursors
C:so that produce high quality precursors
D:produced high quality precursors
发布时间:2024-06-04 16:44:45