Class B
| certification
| class B | |
| busin. | B类; B级; 乙类; 乙级 |
| certification | |
| cloth. | 合格证 |
| environ. | 认证 |
| fish.farm. од. | 认证 |
| interntl.trade. | 签证; 证明书; 证件; 公证; 鉴定 |
| space | 定值 |
| textile | 任命书 |
| |||
| B类; B级; 乙类; 乙级 | |||
| 乙组 | |||
|
Class B : 58 phrases in 18 subjects |