1.【机,物】文氏管,文土里流量计
1.a constriction in a tube designed to cause a pressure drop when a liquid or gas flows through it
2.a restricted air inlet in a carburetor that produces a drop in pressure, causing fuel vapor to be drawn out of the carburetor bowl
1.Also applies to some vertebral circle, the Erlenmeyer, venturis holes to polish.
同时也适用于一些椎圆型、锥型、文氏管型孔的抛光。