 |
| |||
| chocking-up degree; degree of choking-up; degree of clogging; degree of plugging; plugging degree | |||
| 堵塞 程度: 2 phrases in 1 subject |
| Technology | 2 |
|
| |||
| chocking-up degree; degree of choking-up; degree of clogging; degree of plugging; plugging degree | |||
| 堵塞 程度: 2 phrases in 1 subject |
| Technology | 2 |