双语例句

• 采用全自动电位滴定仪测定PBT切片的端羧基含量,对称样量、溶剂的配比、滴定剂的浓度等进行了正交优化.

  The measurement of carboxyl end group content in PBT was discussed with an automatic potentiometric titrator.

  www.dictall.com

百科