 |
| |||
| 伴随波; 二次波; 二次反射波; 继至波; 续至波 | |||
|
second arrival : 2 phrases in 1 subject |
| Oil / petroleum | 2 |
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