 |
| |||
| 一次密封; 一级密封 | |||
| 原密封; 主密封; 初级密封〔封闭，封液〕 | |||
| 主座封; 初级封密 | |||
|
primary seal : 2 phrases in 2 subjects |
| Automobiles | 1 |
| Electronics | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips