class B
| reserves
| class B | |
| busin. | B类; B级; 乙类; 乙级 |
| Reserves | |
| space | 备用卫星 |
| reserves | |
| agric. | 预备金 |
| earth.sc. | 储 量; 埋藏量 |
| interntl.trade. | 储备金; 准备金; 公积金; 银行准备金; 外汇储备 |
| oil | 储量 |
| |||
| B类; B级; 乙类; 乙级 | |||
| 乙组 | |||
|
class B : 58 phrases in 18 subjects |