| 释义 |
packing nut ˈpækɪŋnʌt
基本英英例句
紧塞螺母,衬垫螺母,密封螺母,填密螺母
Noun:
a nut used to tighten a stuffing boxSome wrench-operated valves, specifically those used in ammonia and amines service, have packing nuts with notches machined into the flats.一些扳手型阀门，特别是那些用于氨和胺设施的扳手型阀门的衬垫螺母带有加工进平面的凹槽。 |