Primary standard can be used to prepare standard solution directly.
举一反三
- Primary standard can be used to prepare standard solution directly. A: 正确 B: 错误
- What standards can be used to classify standard documents?
- Standard parts can be measured（）
- BioBricks are standard biological parts. Like the standard parts in other industries, Biobricks can be connected with each other, or they can be disassembled and reassembled with other parts.
- What is (are) standard operating procedure(s) used on a Ro-Ro vessel ?