 |
| |||
| metal/metal seal | |||
| metal-to-metal seal; metal-to-metal sealing | |||
|
金属与金属密封 : 2 phrases in 2 subjects |
| Electronics | 1 |
| Technology | 1 |
|
| |||
| metal/metal seal | |||
| metal-to-metal seal; metal-to-metal sealing | |||
|
金属与金属密封 : 2 phrases in 2 subjects |
| Electronics | 1 |
| Technology | 1 |