external thread
| protector
| external thread | |
| oil од. | 外螺纹 |
| protector | |
| box. | 杯形护裆 |
| bridg.constr. | 保护层 |
| hockey. | 护裆 |
| met. | 防护装置; 防腐剂 |
| oil | 熔断器 |
| sport. | 护具; 护挡; 保护者 |
| sport. med. | 保护器 |
| |||
| ★ 外螺纹 | |||
| 外部螺纹; 阳螺纹 | |||
|
external thread : 18 phrases in 7 subjects |
| Compressors | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 5 |
| Plastics | 1 |
| Space | 1 |
| Technology | 8 |