Venturi tube is short for Venturi tube. The principle of Venturi effect is that when the wind blows over the barrier, the air pressure near the port above the leeward surface of the barrier is relativ...
The electric ventilation butterfly valve is mainly used in the dusty cold air or hot air gas pipelines for ventilation, environmental protection projects in metallurgy, chemical industry, building mat...
The tubular screw conveyor is the main unit of the mechanized transportation work in all sectors of industry and agriculture. It can reduce labor intensity, improve work efficiency, and has a wide ran...
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