| 1. | Method of verification for vertical balancing machines
立式平衡机校验法 |
| 2. | Method of verification for universal horizontal balancing machines
通用卧式平衡机校验法 |
| 3. | A method of verification of photo - electric colorimeter
用检定分光光度计的方法检定光电比色计 |
| 4. | Method of verification for size and geometry of threaded fasteners
紧固件尺寸和几何形状的验证方法 |
| 5. | Precast concrete products - required performance and methods of verification
预制混凝土产品.要求的性能和验证方法 |
