differential pressure type level gauge
...清器压差表 fuel filter differential pressure gauge 燃油滤清器差压表 differential pressure type level gauge 差压式液位计 ..
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监测系统：贮槽液位显示用压差式液位计或微机控制的数显液位计。
Monitoring System: Pressure difference level or computer controlled digital level is adopted to indicate tank level.
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