| 单词 | packing nut |
| 释义 | packing nut (once / 984943 pages) n WORD FAMILY packing nut USAGE EXAMPLESTighten packing nut to hold needle firmly as set. Anonymous, Marvel Carbureter and Heat Control...(2010) n a nut used to tighten a stuffing box Syn|Hyper stuffing nut nut a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt |
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