metaformaldehyde的用法和样例:
例句
- Adance and process of metaformaldehyde production and productive conditions of metaformaldehyde to use natural gas as material were introduced.
介绍聚甲醛进展情况和工艺路线及我省利用天然气深加工生产聚甲醛情况。 - Adance and process of metaformaldehyde production and productive conditions of metaformaldehyde to use natural gas as material were introduced.
介绍聚甲醛进展情况和工艺路线及我省利用天然气深加工生产聚甲醛情况。