| 光学测量仪(方法 B) 手-held magnifying glass with a scale divided in 0.1 mm steps, magnification at least 8 times. | 用于直接测量盖胶厚度的便携式光学仪器 |
| 微米计(方法 A1 和 A2) graduated every 0.1 mm, with flat feet and a circular foot 10 mm in diameter exerting a pressure of (22 ± 5) kPa on the test specimen. | 用于测量整体厚度的仪器,配备圆形脚以确保均匀压力 |
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