flat back | |
met. | 平背模型 |
polygr. | 平背装帧; 平书脊; 平脊 |
sport. med. | 板样背 |
cut and fill method | |
expl. | 充填回采法 |
| |||
平背模型 (pattern) | |||
平背装帧; 平书脊; 平脊 | |||
板样背 | |||
| |||
平-背的; 水平分层的 |
flat back : 20 phrases in 11 subjects |
Engineering geology | 1 |
General | 2 |
Gymnastics | 1 |
International trade | 2 |
Mining | 2 |
Plastics | 1 |
Polygraphy | 3 |
Refrigeration | 1 |
Scientific | 1 |
Technology | 3 |
Textile industry | 3 |