- differential pressure type
- 差: send on an errand; dispatch
- 压: press; push down; hold down; ...
- 式: type; style
- 差压式干式阀: differential-type dry pipe valve
- 差压式流量计: difference pressure flow meter; differential pressure flowmeter; differential pressure flowmetre; differential pressure type flowmeter; differential pressure type flowmetre; pressure differential meter
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