air orifice meaning in Chinese
进气孔
空气喷嘴
Examples
- Railway transport equipment . tank wagons for carrying liquified gases under pressure and having bottom filling and emptying devices . maximum service pressure 40 bars . air orifice for gauging , degassing and testing
铁路运输设备.底部带灌注和排放装置的低压液化气罐车.最大压力40bar .测量排气和试验用气孔