| 1. | Some commercial laboratories use periodic nitrate nitrogen tests as guides . 许多商业性的试验室已应用定期的硝态氮分析作为指导。 |
| 2. | Specification for glass condensers for laboratory use 实验室用玻璃冷凝器规范 |
| 3. | Fire protection for laboratories using chemicals 使用化学品的实验室的防火 |
| 4. | A vial or round long - necked vessel for laboratory use 烧瓶实验用的一种小瓶或长颈容器 |
| 5. | Engineering laboratory using for laboratory 实验室用低温冷冻压缩机冷却器 |
| 6. | Specification for glass beakers for laboratory use 实验室用玻璃烧杯规范 |
| 7. | Pyrometric reference cones for laboratory use 实验室用标准测温锥 |
| 8. | Specification for glass centrifuge tubes for general laboratory use 实验室通用玻璃离心试管规范 |
| 9. | Water for analytical laboratory use - specification and test methods 分析实验室用水规格和试验方法 |
| 10. | Water for analytical laboratory use - specification and test methods 分析实验室用水.规范和试验方法 |