inside thread
| protector
| inside thread | |
| compr. | 内螺纹 |
| 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 |
| |||
| 内螺纹 | |||
|
inside thread : 3 phrases in 3 subjects |
| Metallurgy | 1 |
| Technology | 1 |
| Textile industry | 1 |