vent needle meaning in English
孔针
Examples
- Aortic vent needle
主动脉孔针 - Open needle valve " a " high side and vent needle valve to vent air from bypass hose
开启针形阀“ a ”高端和排气针形阀，从旁路软管排放空气。 - Connect bypass hose between vent needle valve and loosely connect to test cock no . 1
在排气针形阀上连接旁路软管，并将其松散连接到测试旋塞1号上。