?波状喷管

... corrugated mould ==> 波形铸模 corrugated nozzle ==> 波状喷管 corrugated packing ring ==> 波纹金属垫圈 ...

[动力]?波纹状喷管

... Cornish boiler 科尼什式锅炉 corrugated furnace tube 波纹炉膛管 corrugated nozzle 波纹状喷管 ...

?波纹形喷口

... 杯形喷嘴 cup type nozzle; cup-type nozzle 波纹形喷口 corrugated nozzle 倒锥形喷嘴 reversed cone nozzle ...