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| 多孔孔板流量计 | 准确度等级：1.0级 压力等级：（0.25~42）MPa 开孔比（β）：0.3，0.4，0.5，0.6，0.7，0.75 被测介质粘度上限：100mPa.S |
| Perforated orifice flowmeter | Accuracy class: Class 1.0; Pressure grade: (0.25–42) MPa; Tapping ratio (β): 0.3, 0.4, 0.5, 0.6, 0.7, and 0.75; Upper limit of viscosity of measured medium: 100 mPa.S |
